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SPECIFICATIONS

Figure 1 - Model HW93731 Nomenclature

Model HW93731

Rated Load Capacity

20 tons (40,000 lbs)

Low Pick Up Height

9-1/2"

High Lifting Point

17-1/2"

Power Raise

5-1/2"

Screw Extension

2-1/2"

Base Size

8" x 5-1/2"

Ram Diameter

2-3/16"

Handle Length

50"

Wheel Diameter

6"

Max. Air Pressure Supply

150 psi

Required Air Pressure For 

Lifting Loads

140 psi for  40,000 lb.

125 psi for  35,400 lb.

100 psi for  27,900 lb.

75 psi for  19,700 lb.

Model HW93733

Rated Load Capacity

20 tons (40,000lbs)

Low Height

9"

High Height With Extension

19-3/4"

Screw Extension

4 3/4"

Lift Cap Diameter

2"

Wheel Diameter

8"

Chassis Overall Length

20"

Width at Wheels

13-1/4"

Handle Length

45"

Base Size

8" x 17"

Max. Air Pressure Supply

150 psi

Typical Operating Pressure

125 - 150 psi

Typical Lift Time - Full 

Raise(20 ton, 150 psi)

2 min. 15 sec

Figure 2 - Model HW93733 Nomenclature

Release Valve

Knob

Handle

Handle Position 

Release

Air Supply Inlet

Air Hose

Hydraulic 

Unit

Wheel

Handle Fork

Saddle

Lift Control Valve

Air Line Tube

Air Line Elbow/

Shipping Plug

(not shown) 

Hydraulic 

Unit

Release 

Valve Knob

Air Cylinder

Wheel

Air Hose

Air Supply Inlet

Handle

Saddle

Lift Control Valve

Oil Filler Screw

Summary of Contents for HW93731

Page 1: ...k Jacks Capacity 20 Ton 20 Ton HW93731 M0 rev 07272010 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...

Page 2: ...Hein Werner Air Actuated Hydraulic Truck Jacks are designed to lift but not support rated capacity loads They are designed to be used vertically Immediately after lifting loads must be supported by ap...

Page 3: ...000lbs Low Height 9 High Height With Extension 19 3 4 Screw Extension 4 3 4 Lift Cap Diameter 2 Wheel Diameter 8 Chassis Overall Length 20 Width at Wheels 13 1 4 Handle Length 45 Base Size 8 x 17 Max...

Page 4: ...parts only Lubricate as instructed in Maintenance Section OPERATION Lifting Only attachments and or adapters supplied by the manufacturer shall be used Lift only on areas of the vehicle as specified...

Page 5: ...s used pour a teaspoon of air tool oil into the inlet of the air control valve Simply operate the jack using the air feature in order to fully distribute the oil Cleaning Periodically inspect the ram...

Page 6: ...13 3 52 37 43 44 47 34 39 30 25 22 42 23 11 35 Apply Never Seez or equivalent to threads and face at both ends of Ram Cylinder Ref 44 before assembling Assemble to Base Ref 59 and tighten to crush joi...

Page 7: ...arts Illustration for Model HW93731 Air Hydraulic Pump Assembly Figure 6 Parts Illustration for Model HW93731 Pump Piston Assembly 77 95 79 72 77 94 93 88 65 87 98 82 70 86 84 85 80 92 69 101 83 66 69...

Page 8: ...46 228091 Cross pin 1 47 228099 O ring 1 48 228929 Air hydraulic Pump Assy 1 49 229131 Pipe Plug 2 50 230125 Heel Plate 1 51 230126 U cup Packing 1 52 230134 Ram Assembly 1 53 245958 Ram 1 54 231102 A...

Page 9: ...9 Replacement Parts Illustration For Model HW93733 Part I refer to page 11 for parts list 1 2 3 4 3 Figure 7 Parts Illustration for Model HW93733 Main Frame 19 9 5 16 11 13 12 3 17 10 18 14 15 6 7 8 7...

Page 10: ...page 11 for parts list Figure 8 Parts Illustration for Model HW93733 Air Motor Hydraulic Unit Hydraulic Unit Assembly includes Air Motor 57 28 58 52 53 37 54 29 35 36 55 56 38 39 in reservoir 44 32 45...

Page 11: ...BJ398020 Top Cap 1 28 NJ100046 Quad ring 1 29 BD674061 Pin 1 8D x 9 16L 1 30 B1160000 Ball 7 32 1 31 BS116000 Ball 5 16 1 32 AJ100040 Valve Spring 1 33 BB159167 Gaket 19 32OD 1 34 BK300600 Valve Plug...

Page 12: ...EVER 3 ANY IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED TO TWO YEARS OTHERWISE THE REPAIR REPLACEMENT...

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