Wesco 272136 - Trouble Shooting

Page5of9

©Copyright2020WESCOIndustrialProducts,LLC.Specificationssubjecttochange.Notresponsibleforerrorsoromissions.


Standard Deluxe Pallet Truck
(Part # 272136, 272142, 272148, 272736, 272742, 272748)
Instruction Manual
ATTENTION: TO INSURE SAFE AND EASY USE OF YOUR WESCO PALLET
TRUCK, READ THESE INSTRUCTIONS ENTIRELY BEFORE USING.
6. TROUBLE SHOOTING
No
Problem Causes Solutions
1
Jack feels “spongy”
when operating
- Air in the hydraulic system.
- Insufficient hydraulic oil.
- Hold lever up, then pull the loop handle down and
up for a few strokes.
- Remove the oil plug [item 25] and add oil.
2
Forks do no rise
when the valve
handle is in lifting
position
- Insufficient hydraulic oil.
- The lowering arm assembly does not open
- Leak from Valve Cone [item 16] Assembly
- Remove the oil plug [item 25] and add oil.
- Adjust the valve chain with adjusting nut [item 73]
or check the release piston [item 34].
-Replace steel ball [item 19]
3
Forks drop after
every pump stroke
- Air in the hydraulic system
- Leak from the valve Cone [item 16]
- Hold lever up, then pull the loop handle down and
up for a few strokes.
-
- Replace Valve Cone [item 16], valve housing [item
17], O-Ring [item 18] and O-Ring [item 13]
4
“Lowering action”
does not function or
lowers slowly
- Insufficient travel of lowering arm - Adjust the valve chain and adjusting nut [item 73].
5
Forks drop when the
handle is in the
neutral position
- The lowering arm does not open properly
- Leak from the valve cone
- Leak from the seal rings in the bottom plate
- Adjust the valve chain with adjusting nut [item 73]
or check the release piston [item 34].
- Replace Valve Cone [item 16], valve housing [item
17], O-Ring [item 18] and O-Ring [item 13]
- Replace Cup Packing [item 43]
6
Pumping still occurs
when valve handle is
in neutral position
- Adjust the valve chain with adjusting nut [item 73]
or check the release piston [item 34].
7
Oil leaks from the
lowering arm
assembly
- Seal ring damage or worn out - Replace O-ring [item 32] and [item 38].
NOTE: DO NOT ATTEMPT TO REPAIR THE PALLET TRUCK UNLESS YOU ARE TRAINED AND
AUTHORIZED TO DO SO.
