Leveling Valve Function Test

Hydraulic Test Program - Leveling Valve Function Test

Preparation for Test

Model 129
1. Check oil level in oil reservoir, correct if necessary.
2. Unscrew connecting rods (54, 55) at leveling valve levers (set lever to neutral position).



3 Rear axle leveling valve
6 Front axle leveling valve
54 Front axle connecting rod
55 Rear axle connecting rod

Model 140
1. Check oil level in oil reservoir, correct if necessary.
2. Unscrew connecting rod at leveling valve lever (3a) (set lever to neutral position).



3 Rear axle leveling valve
3a Leveling valve lever
7 connecting rod

Test: