Repair Parts List; Troubleshooting Chart - Westward 5ML72A Instrucciones De Operación

Westward Operating Instructions and Parts Manual
Westward
Transmission Jacks

Repair Parts List

Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
*
**

Troubleshooting Chart

Symptom
Jack will not lift load
Jack will lift, but not maintain pressure
Jack will not lower after unloading
Poor lift performance
Will not lift to full height
Manufactured for Grainger International, Inc.,
Lake Forest, IL 60045 U.S.A.
Hydraulic High Lift
®
Description
Leg Assy
Bolt Set
Caster, 3"
Caster with brake
Socket Head Bolt
Tilt Screw Assy
Saddle Head Assy
Screw Assy
Vent Screw Assy
Handle Assy
Release Valve Pedal
Pin
Retaining Pin
Hardware Kit
Coupler, Male (5M466B)
Air Hose (5M466B)
Spring (5M466B)
Hose Connector, Elbow (5M466B)
Air Motor (5M466B)
Copper Washer (5M466B)
Nylon Strap Assy
Repair Kit, Hyd Unit (5ML72A, incl parts a - v)
Repair Kit, Hyd Unit (5M466B, incl parts a - v)
Possible Cause
• Release valve not tightly closed
• Overload condition
* Supply air pressure too low
• Release valve not tightly closed
• Overload condition
• Hydraulic unit malfunctioning
• Reservoir overfilled
• Ram damaged
• Fluid level low
• Air trapped in system
Fluid level low
Part No.
G360-20000-000
G360-90030-K04
G360-90030-K02
G360-90030-K01
5105-08015-000
4200-03500-000
G360-40000-000
A070-90038-K02
G360-90009-K01
G390-20000-000
G390-10005-000
5405-07027-000
5405-02018-000
G390-30000-000
G831-00002-000
G360-10003-000
G360-10002-000
G360-16000-000
G360-17000-000
5308-00095-000
G390-41000-000
G3601S-111
G3600S-130
• Ensure release valve tightly closed
• Remedy overload condition
• Adjust source air to recommended pressure
• Ensure release valve tightly closed
• Remedy overload condition
• Replace unit
• Drain fluid to proper level
• Clean and lubricate moving parts
• Ensure proper fluid level
• With ram fully retracted, remove filler plug to
vent pressurized air, reinstall oil filler plug
Ensure proper fluid level
5
5ML72A and 5M466B
Quantity
2
1
2
2
1
2
1
2
1
1
1 (5M466B Qty 2)
1 (5M466B Qty 2)
1 (5M466B Qty 2)
1
1
1
1
2
1
1
1
Corrective Action