STEERING
B2050, B2350, B2650, B3150, WSM
7-S1
1. TROUBLESHOOTING
Symptom Probable Cause and Checking Procedure Solution
Reference
Page
Cannot Be Steered 1. Steering controller malfunctioning Replace steering
controller
7-S6
Hard Steering 1. Tire air pressure of the tires is incorrect Check air pressure G-56
2. Oil leak from pipe joint Check hose joint 7-S6
3. Hydraulic pump malfunctioning Solution order
1. Check hydraulic
flow test
8-S8
2. Replace hydraulic
pump
8-S11
4. Improper relief valve pressure Solution order
1. Check system
pressure
7-S5
2. Replace steering
controller
7-S6, 7-S7
5. Steering controller malfunctioning Solution order
1. Check system
pressure
7-S5
2. Replace steering
controller
7-S6, 7-S7
Steering Force
Fluctuates
1. Air sucked in pump due to lack of oil Check transmission
oil
G-8
2. Air sucked in pump from suction circuit Bleed air 7-S6, 7-S7
3. Steering controller malfunctioning Solution order
1. Check system
pressure
7-S5
2. Replace steering
controller
7-S6, 7-S7
Steering Wheel Turns
Spontaneously When
Released
1. Steering controller malfunctioning Solution order
1. Check system
pressure
7-S5
2. Replace steering
controller
7-S6, 7-S7