Manual For The 61931 1 1/4 Cubic Ft. Cement Mixer

User Manual: Manual for the 61931 1-1/4 Cubic Ft. Cement Mixer 1-1/4 Cubic Ft. Cement Mixer

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Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures� Write the product’s serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number)�
Keep this manual and the receipt in a safe and dry place for future reference�

NOTICE

FOR CEMENT OR
MORTAR ONLY�
Do not use with Epoxy
2-part resin mix�

reV 14i

Visit our website at: http://www.harborfreight.com
email our technical support at: productsupport@harborfreight.com

When unpacking, make sure that the product is intact
and undamaged� If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible�
Copyright© 2014 by Harbor Freight Tools®� All rights reserved�
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools�
Diagrams within this manual may not be drawn proportionally� Due to continuing
improvements, actual product may differ slightly from the product described herein�
Tools required for assembly and service may not be included�

read this material before using this product.
Failure to do so can result in serious injury.
SaVe tHiS ManuaL.

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Table of Contents
Safety

Safetye��������������������������������������������������������� 2
Specifications.............................................. 6
Setup........................................................... 7
Operationa��������������������������������������������������� 10

Maintenancei���������������������������������������������� 12
Parts List and Diagram............................... 14
Warranty..................................................... 16

WARNING SYMBOLS AND DEFINITIONS
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that
follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.

Setup

Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.

Addresses practices not related to personal injury.

IMPORTANT SAFETY INSTRUCTIONS
WARNING - When using electric appliances, basic precautions
should always be followed, including the following:

Operation

1. Read all the instructions before using the appliance.
2. To reduce the risk of injury, close supervision is
necessary when an appliance is used near children.
3. Do not contact moving parts.
4. Only use attachments recommended
or sold by the manufacturer.
5. To disconnect, turn all controls to the off (“O”)
position, then remove plug from outlet.

7. Unplug from outlet when not in use
and before servicing or cleaning.
8. Do not operate any appliance with a damaged
cord or plug, or after the appliance malfunctions
or is dropped or damaged in any manner.
Return appliance to the nearest authorized
service facility for examination, repair, or
electrical or mechanical adjustment.
9. Connect to a properly grounded outlet
only. See Grounding Instructions.

6. Do not unplug by pulling on cord. To
unplug, grasp the plug, not the cord.

Maintenance

SAVE THESE INSTRUCTIONS

Page 2

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

DANGER – Improper connection of the
equipment-grounding conductor can result in
a risk of electric shock. Check with a qualified
electrician or serviceman if the grounding
instructions are not completely understood, or if in doubt
as to whether the appliance is properly grounded. Do not
modify the plug provided with the appliance – if it will not
fit the outlet, have a proper outlet installed by a qualified
electrician.

A temporary adaptor, which looks like the adaptor
illustrated in Figures B and C, may be used to connect
this plug to a 2-pole receptacle as shown in Figure B
if a properly grounded outlet is not available.

Figure B: Grounding Adapter
The temporary adaptor should be used only until a
properly grounded outlet can be installed by a qualified
electrician. The green colored rigid ear, lug, and the
like, extending from the adaptor must be connected to a
permanent ground such as a properly grounded outlet
box cover. Whenever the adaptor is used, it must be
held in place by the metal screw, as shown in Figure C.

This appliance is for use on a nominal 120 V
circuit, and has a grounding plug that looks
like the plug illustrated in Figure A.

Setup

This appliance must be grounded. In the event of
malfunction or breakdown, grounding provides a path
of least resistance for electric current to reduce the
risk of electric shock. This appliance is equipped with
a cord having an equipment-grounding conductor and
a grounding plug. The plug must be plugged into an
appropriate outlet that is properly installed and grounded
in accordance with all local codes and ordinances.

Safety

GROUNDING INSTRUCTIONS

Maintenance

Figure A: 3-prong Plug

The adapter should not be used if a three‑slot
grounded receptacle is available. A qualified
electrician should be consulted if there is any doubt
as to whether an outlet box is properly grounded.

Operation

Figure C: Grounding Adapter Connection

Item 61931

For technical questions, please call 1-888-866-5797.

Page 3

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Extension Cords
Safety

1. Extension cords (or a longer detachable
power-supply cords) are available and may
be used if care is exercised in their use.
2. If an extension cord (or a longer detachable
power-supply cord) is used:
a. The marked electrical rating of the
detachable power-supply cord or extension
cord should be at least as great as the
electrical rating of the appliance,
b. If the appliance is of the grounded
type, the extension cord should be a
grounding type 3-wire cord, and

Setup

c. The longer extension cord (or a longer
detachable power-supply cord) should
be arranged so that it will not drape over
the countertop or tabletop where it can
be tripped over, snagged, or pulled on
unintentionally (especially by children).
3. An outdoor-use extension cord should be used with
an outdoor-use appliance. An outdoor-use extension
cord is marked with suffix letter “W” and with a tag
stating “Suitable for Use with Outdoor Appliances.”
4. The connection to an extension cord
should be kept dry and off the ground.
5. Store appliance indoors when not in
use. Keep out of reach of children.

Operation

6. Do not clean this appliance with
a water spray or the like.
7. Grounded tools require a three wire extension cord.
Double Insulated tools can use either
a two or three wire extension cord.
8. As the distance from the supply outlet increases,
you must use a heavier gauge extension cord.
Using extension cords with inadequately sized wire
causes a serious drop in voltage, resulting in loss of
power and possible tool damage. (See Table A.)

Maintenance

9. The smaller the gauge number of the wire, the
greater the capacity of the cord. For example,
a 14 gauge cord can carry a higher current
than a 16 gauge cord. (See Table A.)
10. When using more than one extension cord
to make up the total length, make sure
each cord contains at least the minimum
wire size required. (See Table A.)

Page 4

11. If you are using one extension cord for more
than one tool, add the nameplate amperes
and use the sum to determine the required
minimum cord size. (See Table A.)
12. Make sure the extension cord is properly wired
and in good electrical condition. Always replace
a damaged extension cord or have it repaired
by a qualified electrician before using it.
13. Protect the extension cords from sharp objects,
excessive heat, and damp or wet areas.
Table A: RECOMMENDED MINIMUM WIRE
GAUGE FOR EXTENSION CORDS (120/240 VOLT)

NAMEPLATE
AMPERES
(at full load)

EXTENSION CORD
LENGTH
25´ 50´ 75´ 100´ 150´

0 – 2.0

2.1 – 3.4

3.5 – 5.0

5.1 – 7.0

7.1 – 12.0

12.1 – 16.0

16.1 – 20.0

Based on limiting the line voltage drop to five volts at
150% of the rated amperes.

Connecting Cords
To reduce the risk of the cords pulling apart
during operation, do one of the following:
a. Make a knot as shown below
then connect the cords:
Extension
Cord

Appliance
Cord
2

b. Or, use a plug-receptacle retaining
strap or connector designed to hold
extension cords to appliance cords.

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Mixer Safety Warnings

4. Assemble only according to these instructions.
Improper assembly can create hazards.
5. Wear ANSI-approved safety goggles and
heavy-duty work gloves during assembly.
6. Keep assembly area clean and well lit.
7. Keep bystanders out of the area during assembly.
8. Do not assemble when tired or when under the
influence of alcohol, drugs or medication.
9. This product is not a toy. Do not allow
children to play with this item.
10. Use as intended only.
11. Inspect before every use; do not use
if parts are loose or damaged.
12. Do not overload mixer.
13. Keep safe clearance around mixer. Keep
all persons (except operator) at least six
feet from mixer during operation.
14. Don’t use in dangerous environment. Don’t use
power tools in damp or wet locations, or expose
them to rain. Keep work area well lighted.
15. Make workshop kid proof with padlocks, master
switches, or by removing starter keys.
16. Wear proper apparel. Do not wear loose
clothing, gloves, neckties, rings, bracelets, or
other jewelry which may get caught in moving
parts. Nonslip footwear is recommended. Wear
protective hair covering to contain long hair.
17. Never leave tool running unattended. Turn power off.
Don’t leave tool until it comes to a complete stop.
18. Disconnect tools before servicing.

Item 61931

Safety

21. Maintain labels and nameplates on
the tool. These carry important safety
information. If unreadable or missing, contact
Harbor Freight Tools for a replacement.
22. Avoid unintentional starting. Prepare to
begin work before turning on the tool.
23. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure.
24. WARNING: Some dust created by power sanding,
sawing, grinding, drilling, and other construction
activities, contains chemicals known to the State
of California to cause cancer and birth defects or
other reproductive harm. Some examples of these
chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement or other
masonry products
• Arsenic and chromium from chemically
treated lumber
Your risk from these exposures varies, depending
on how often you do this type of work. To reduce
your exposure to these chemicals: work in a well
ventilated area, and work with approved safety
equipment, such as those dust masks that are
specially designed to filter out microscopic particles.
(California Health & Safety Code § 25249.5, et seq.)

Setup

3. Do not attempt to move the Cement Mixer
when it is full and/or in operation. It is unsafe
to move the mixer while in this condition, and
severe injury to personnel could occur.

20. Only use safety equipment that has been approved
by an appropriate standards agency. Unapproved
safety equipment may not provide adequate
protection. Eye protection must be ANSI-approved
and breathing protection must be NIOSH-approved
for the specific hazards in the work area.

Operation

2. DO NOT INSERT SHOVEL OR HANDS INTO
MIXER WHILE PLUGGED IN. RISK OF SERIOUS
INJURY OR DEATH FROM ENTANGLEMENT.

19. When servicing use only identical replacement parts.

25. WARNING: The cord of this product contains
lead and/or di (2-ethylhexyl) phthalate (DEHP),
chemicals known to the State of California
to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
(California Health & Safety Code § 25249.5, et seq.)
26. The warnings, precautions, and instructions
discussed in this instruction manual cannot
cover all possible conditions and situations
that may occur. It must be understood by the
operator that common sense and caution are
factors which cannot be built into this product,
but must be supplied by the operator.

For technical questions, please call 1-888-866-5797.

Page 5

Maintenance

1. FOR CEMENT AND MORTAR ONLY. DO NOT
USE WITH EPOXY 2-PART RESIN MIX.

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Specifications

Safety

Electrical Input

120 VAC / 60 Hz / 2.7 A

Motor No Load Speed

1192 RPM

Drum Speed

35 RPM

Drum Capacity

1-1/4 Cubic Feet

Drum Opening

10"

227541

Setup
Operation
Maintenance
Page 6

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this document
including all text under subheadings therein before set up or use of this product.

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Turn the Power Switch of the tool off before performing any procedure in this section.

Safety

Setup - Before Use

Note: For additional information regarding the parts listed in the following pages,
refer to the Assembly Diagram near the end of this manual.

Assembly

Bolts (57), Flat
Washer (6),
Flange Nut (7)

Setup

Note: Set Stand on its side for easier assembly.

4. Fasten together. Longer Bolt (M8x50, part 5)
goes through the lower hole, while slightly
shorter Bolt (M8x45, part 57) goes through
the upper hole. Secure both Bolts with Flat
Washers (6) and Flange Nuts (7). Tighten
with a wrench (not included). See Figure E.
5. Place Stand upright.

Stand (64)
Bolts (5),
Flat Washer (6),
Flange Nut (7)

6. To attach Wheels (3) to Wheel Bracket, slide a Flat
Washer (2), Wheel and second Flat Washer onto
each end of Wheel Bracket axle. See Figure F.
Wheel
Bracket (4)

Wheel (3)

Wheel
Bracket (4)

2. Fasten together. Longer Bolt (M8x50, part 5)
goes through the lower hole, while slightly shorter
Bolt (M8x45, part 57) goes through the upper
hole. Secure both Bolts with Flat Washers (6) and
Flange Nuts (7). Tighten securely. See Figure D.
3. Insert Leg (65) into Stand so that bolt
holes line up. See Figure E.

Flat
Washer (2)

Figure F
7. Insert a Cotter Pin (1) through holes in each end
of the Bracket axle and bend the Cotter Pins over
to secure the Wheels in place. See Figure G.
Cotter
Pin (1)

Bolts (57), Flat
Washer (6),
Flange Nut (7)

Maintenance

Figure D

Stand (64)
Bolts (5),
Flat Washer (6),
Flange Nut (7)

Figure G

Leg (65)

Figure E
Item 61931

Operation

1. Place the Stand (64) into the Wheel Bracket (4)
so that bolt holes line up. See Figure D.

For technical questions, please call 1-888-866-5797.

Page 7

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.
8. With assistance, set the Lower Drum (71)
with attached Arm (59) and Support
Bracket Seats (41) into Stand assembly
and align the bolt holes. See Figure H.

Safety

Support Bracket
Seat (41)

15. Place the Upper Drum onto the Lower Drum (71),
making sure the mounting holes align in both.
16. Insert a Screw (73) into each of six
mounting holes. Fasten Drums together
using Flat Washers (77) and Nuts (39).
17. Position each Mixer Blade (78) inside the assembled
Drum with the pointed end facing downward.
The V-shaped bend in the Blades should point in
the direction of the Drum rotation (clockwise).
18. Fasten tops of Mixer Blades to Upper Drum using
Bolts (75), Washers (30), Seal Gaskets (74), and
Nuts (39). Fasten pointed ends of Mixer Blades to
Lower Drum using Bolts (73), Washers (30), Seal
Gaskets (74), Rubber Gaskets (79) and Nuts (39).

Lower Drum (71)

19. Mount the Motor Hood (38) to the Support
Bracket Seat (41) using Bolts (35), Spring
Washers (36) and Flat Washers (37).

Arm (59)

Setup

Figure H
9. Fasten together using Bolts (57), Flat
Washers (6), and Flange Nuts (7).
Tighten with wrench until secure.

20. Use Bolts (5), Flat Washers (37), Spring
Washers (36) and Clamp (63) to attach the
Motor Bracket (8) to the Motor Hood. Tighten
connections until secure. See Figure J.
Flat Washer (37)

10. Mount Handle Control Plate (48) to Support
Bracket Seat (41) using Bolts (35), Spring
Washers (36) and Flat Washers (37). See Figure I.

Motor Hood (38)

Spring Washer (36)

Control Handle (51)

Operation

Arm (59)

Nut (49)

Coil Spring (56)

Bolt (35),
Washers
(36 & 37)

Bolt (55)
Flat Washers (50)

Handle Control Plate (48)

Figure I

Maintenance

11. Tighten to a point where the Arm (59) can still move.
12. Insert the Coil Spring (56) into
the Control Handle (51).
13. Attach Control Handle to Arm shaft with a
Bolt (55), two Flat Washers (50), and a Nut (49).
14. Use gasket sealer (not included) to stick the Rubber
Gasket (72) to the Upper Drum (76), making sure
the holes in both align. The Gasket must be flat
on the Upper Drum to ensure a proper seal.

Page 8

Bolt (5)

Clamp (63)

Motor Cover (19)

Figure J
21. Clean the Pinion Shaft (44) of all protective
material and other debris. Clean debris
out of the Motor Pulley (34) hub.
22. Spread a few drops of lubricating oil on the Pinion
Shaft and squarely push the Drum Pulley (32)
onto the Shaft so that the groove in the Pulley
engages the Flat Key (31). The Pulley should
be flush with the step on the Pinion Shaft.

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

Note: Do not hammer the Drum Pulley onto the
Pinion Shaft. Doing so can damage the unit and
possibly lead to a loose fitting V-Belt (33).
23. Place the Motor (9) onto the Motor Bracket.

27. Slightly loosen the Bolts (5) holding the Motor
Bracket in place. Push the Motor downward until
the V-Belt tension is tight. When proper V-Belt
tension is achieved, tighten the Bolts (see Belt
Inspection and Tensioning on page 12).

24. Use Bolts (10), Flat Washers (6) and Nuts (7)
to secure the Motor to the Motor Bracket.
Hand-tighten all four Nuts since the motor will
be adjusted forward or backward later.

28. Check if Motor and V-Belt turn correctly. Hand
turn the Drum Pulley and verify that Motor
Pulley and Drum Pulley do not rub against any
other part. Adjust Motor location as needed.

25. Once the Drum Pulley is pushed in all the
way, use a key (not included) to tighten the
Bolt on the end of the Pulley’s hub.

29. Mount the Motor Cover (19) to the Motor
Hood (38) using five Bolts (26) and Nuts (39).

Setup

30. Check all connections to verify that all screws,
nuts, and bolts are securely tightened.

Maintenance

Operation

26. Attach the V-Belt by placing it around the Motor
Pulley and then over the Drum Pulley. Using a
flat-edge screwdriver (not included), push the
Motor inward until the Motor Pulley is directly
under the Drum Pulley. Tighten the Bolts
securing the Motor to the Motor Bracket.

Safety

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Item 61931

For technical questions, please call 1-888-866-5797.

Page 9

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Operating Instructions

Safety

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.

Functions
Motor Assembly

Upper Drum

Control
Handle

Mixer Blade

Setup
Handle
Control
Plate

Stand
Wheel Bracket
Lower Drum

Operation

Wheel

Arm

Leg

Maintenance
Page 10

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

1. Place the Cement Mixer on a solid, even surface.

5. Flip the switch to “ON” (I) position.

WARNING! Do not attempt to move the Cement
Mixer when it is full and/or in operation. Block
the wheels with wheel chocks (not included).

6. Once materials are mixed, tilt Drum and
dump materials where needed. The materials
are dumped while the Drum is rotating.

2. Connect the Power Cord to an electric
outlet (or properly rated grounded
three prong extension cord).

CAUTION! Never leave the Cement Mixer running while
unattended. Do not turn Mixer off while full of cement.

8. Tilt the Drum angle as far down as
possible to drain all fluids from Drum.
9. Clean, then store out of children’s reach.

Maintenance

Operation

4. Adjust the Drum angle by pulling on the Control
Handle. First, disengage the locking pins by
pulling the Control Handle away from the drum
and then pushing on the Handle until the desired
angle is reached. Re-engage the locking pins.

7. When finished, flip the Switch to the “OFF” (O)
position and disconnect the Power Cord.

Setup

3. Add material to the Drum. Typical maximum
quantities include: 3/4 gallons water with
1 shovel of cement and 5 shovels aggregate
rock (using a size 3 shovel, not included).

Safety

General Operating Instructions

Item 61931

For technical questions, please call 1-888-866-5797.

Page 11

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Maintenance

Safety

Procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Turn the Power Switch of the tool to its “OFF” position and unplug the tool from its
electrical outlet before performing any inspection, maintenance, or cleaning procedures.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE:
Do not use damaged equipment. If abnormal noise or vibration
occurs, have the problem corrected before further use.

Cleaning, Maintenance, and Lubrication
1. BEFORE EACH USE, inspect the general
condition of the tool. Check for:

Setup

• Loose hardware
• Misalignment or binding of moving parts
• Cracked or broken parts
• Damaged electrical wiring
• Damaged or cracked belts
• Any other condition that may
affect its safe operation.

2. AFTER USE, immediately wash out all debris
from the inside and outside of the Cement Mixer.
Scrub the inside of the Drum with a stiff, long
handled bristle brush for best results. Wipe
external surfaces of the tool with clean cloth.
3. DO NOT apply water in or around the Motor Cover.
4. PERIODICALLY recheck all fasteners
and other connections for tightness.
5.

WARNING! If the supply cord of this
power tool is damaged, it must be replaced
only by a qualified service technician.

Belt Inspection and Tensioning
Operation

1. Retighten V-Belt after the first 25 hours of use.
To test the tension, follow the steps below.

Deflection
Distance

2. Remove Motor Cover.
3. Examine Belt for cracks, tears in the
backing, or other damage. Replace Belt
if damaged according to steps below:
a. Loosen the Motor Bracket bolts and slide
the Bracket up as far as possible.
b. Slide the old Belt off of the Drum Pulley first,
then remove it from the Motor Pulley.

Maintenance

c. Put the new belt around the Motor Pulley
first, then around the Drum Pulley.
d. Move the Motor Bracket down until the Belt is
properly tensioned according to the directions
below. Tighten the Motor Bracket bolts.
4. Check and adjust belt tension
according to the steps below:

a. Press on the center of the longest span
on the belt with moderate finger pressure.
Then measure the deflection distance,
the distance that the belt moved. The belt
should deflect anywhere from 1/2" to 3/4".
b. If the belt deflects too much, tighten belt
by loosening the Motor Bracket bolts and
moving the Motor away from the Drum Pulley
slightly. Tighten Motor Bracket bolts and
retest tension. If the belt is too long to be
properly tensioned, it must be replaced.
c. If the belt deflects too little, loosen the Motor
Bracket bolts and lift Bracket upward. Tighten
Motor Bracket bolts and retest tension.
5. Replace Motor Cover.

Page 12

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Troubleshooting

3. Internal damage or wear.
Tool operates slowly. Extension cord too long or
wire size too small.
Excessive noise
or rattling.
Overheating/
Overloading.

1. Belt too loose (slipping) or
too tight (bearing damage).
2. Internal damage or wear.
1. Running with too much cement.
2. Blocked motor housing vents.

3. Motor being strained by long or
small diameter extension cord.

Likely Solutions

1. Check that cord is plugged in.
2. Check power at outlet. If outlet is unpowered, turn
off tool and check circuit breaker. If breaker is
tripped, make sure circuit has the correct capacity
for the tool and circuit has no other loads.
3. Have technician service tool.
Eliminate use of extension cord. If an extension
cord is needed, use shorter/heavier gauge cord.
See Extension Cords in GROUNDING section.
1. Properly tension belt.
2. Have technician service tool.
1. Pour out some of the cement.
Run only with lighter load.
2. Wear ANSI-approved safety goggles and NIOSHapproved dust mask/respirator while blowing
dust out of motor using compressed air.
3. Eliminate use of extension cord. If an
extension cord is needed, use one with the
proper diameter for its length and load. See
Extension Cords in GROUNDING section.

Safety

Possible Causes

1. Cord not connected.
2. No power at outlet.

Setup

Problem

Tool will not start.

Maintenance

Operation

Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.

Item 61931

For technical questions, please call 1-888-866-5797.

Page 13

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Parts List and Diagram

Safety

Parts List
Part

Setup
Operation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

Description

Cotter Pin 5×40
Flat Washer 20
Wheel
Wheel Bracket
Bolt M8×50
Flat Washer 8
Flange Nut M8
Motor Bracket
Motor
Bolt M8×16
Screw M6×12
Flat Key 5×25
Bushing M12
Nut M4
Spring Washer 4
Ground Wire
Serrated Washer 4
Power Cord
Motor Cover
Overload Protection Device 3A
Switch
Screw ST3.5×9.5
Flat Washer 4
Cross-Head Screw M4×12
Switch Panel
Bolt M6×20
Terminal Box
Cross-Head Screw M6×10
Spring Washer 6
Flat Washer 6
Flat Key 5×30
Drum Pulley
V-Belt O-600
Motor Pulley
Bolt M8×20
Spring Washer 8
Flat Washer
Motor Hood
Nut M6
Ring Shield Ø38

Qty
2
4
2
1
4
12
10
1
1
4
1
1
3
4
4
2
2
1
1
1
1
4
8
4
1
5
1
2
2
10
1
1
1
1
4
4
6
1
15
4

Part
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

Description

Support Bracket Seat
Spacer
Bearing 6002
Pinion Shaft
Gear
Gear Cover
Cross-Head Screw M4×30
Handle Control Plate
Nut M10
Flat Washer 10
Control Handle
Rubber Handle
Handlebar
Handlebar Cover
Bolt M10x70
Coil Spring
Bolt M8×45
Flat Key 5×8
Arm
Flat Washer 12
Spring Washer 12
Bolt M12×25
Clamp
Stand
Leg
Nut M6
Bearing Cover, Lower
Bearing 6204
Shaft
Bearing Cover, Upper
Lower Drum
Rubber Gasket
Bolt M6×16
Seal Gasket
Bolt M6×12
Upper Drum
Flat Washer 6
Mixer Blade
Rubber Gasket

Qty
2
2
2
1
1
1
3
1
1
2
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
4
1
2
1
1
1
1
12
12
2
1
6
2
2

Maintenance
Page 14

For technical questions, please call 1-888-866-5797.

Item 61931

NOTICE

FOR CEMENT AND MORTAR ONLY.
Do not use with Epoxy 2-part resin mix.

Assembly Diagram
23

Safety

22
24

23
25

15
14

27
75

28
78

29
73

73
77

12
11

Setup

35
38

33
34

37
36

39 40
41 42

43
40

44
39

59 7

30
74

28
45 30 29

1
64

7
57

Operation

2
3
2

49
52

Note: If product has no serial number, record
month and year of purchase instead.
Item 61931

Note: Some parts are listed and shown for
illustration purposes only, and are not available
individually as replacement parts.

For technical questions, please call 1-888-866-5797.

Page 15

Maintenance

Record Serial Number Here:

PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the
period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper
installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
to persons or property, or for incidental, contingent, special or consequential damages arising from the use of
our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges
prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • 1-888-866-5797

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Manual For The 61931 1 1/4 Cubic Ft. Cement Mixer

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