wsm L3301 User Manual

HYDRAULIC SYSTEM
L3301, L3901, L4701, WSM
8-S1
1. TROUBLESHOOTING
9Y1211012HYS0001US0
Symptom Probable Cause Solution
Reference
Page
Implement Does Not
Rise (Not Noise)
Control linkage improperly adjusted Adjust 8-S15,
8-S16
Control linkage improperly assembled or
damaged
Repair or replace 8-S24
Position control valve malfunctioning (unload
poppet, spool, poppet 1, 2)
Repair or replace 8-S24
Relief valve spring weaken or broken Replace 8-S25
Implement Does Not
Rise (Noise)
Hydraulic piston O-ring, cylinder damaged Replace 8-S22
Hydraulic oil filter clogged Replace G-37, G-65
Relief valve setting pressure too low Adjust 8-S11
Hydraulic pump malfunctioning Repair or replace 8-S26
Implement Does Not
Reach Maximum
Height
Position control improperly adjusted Adjust 8-S15,
8-S16
Position control valve spool joint 1 improperly
adjusted
Adjust 8-S24
Hydraulic arm shaft, hydraulic arm, lift arm
improperly assembled
Adjust 8-S22
Implement Does Not
Lower
Control valve malfunctioning (Spool damaged) Replace 8-S24
Poppet valve adjusting nut improperly adjusted Adjust 8-S24
Implement Drops by
Weight
Hydraulic cylinder worn or damaged Replace 8-S27
Hydraulic piston and O-ring worn or damaged Replace 8-S22
Poppet 1 seat surface damaged (control valve) Replace 8-S24
Poppet 1 O-ring damaged (control valve) Replace 8-S24
Poppet 2 seat surface damaged (control valve) Replace 8-S24
Poppet 2 O-ring damaged (control valve) Replace 8-S24
Implement Hunts
(Moves Up and
Down)
Poppet 1, poppet 2, poppet 3 seat surface
damaged
Replace 8-S24
Control valve O-rings worn or damaged Replace 8-S24
Oil Temperature
Increases Rapidly
Relief valve operating Adjust 8-S11
Hydraulic pump leak or damaged Replace or repair 8-S26
Oil leaks from valves Replace or repair 8-S24
Gear or bearing damaged in the transmission
case
Replace –
KiSC issued 09, 2016 A

wsm L3301 Specifications

General

Brand	wsm
Model	L3301
Category	Tractor
Language	English