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Replacement Parts Illustration For Model HW93731 (Part II) 

- refer to page 8 for parts list

Figure 4 - Parts Illustration for Model HW93731 -Ram Assembly 

55

53

17

46

50

51

45

38

6

40

21

10

Figure 5 - Parts 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

89

96

}

76

 Piston Assembly 

(refer to Fig. 6)

7

73

81

78

67

75

99

100

68

71

90

74

91

}

97

Apply Loctite #242 (color blue) 

to threads before assembling

Thread into Piston to 

dimensions shown

0.060"

0.080"

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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