Labrie Pendpac WITTKE RETRO FL, Maintenance Manual

Page: 117 / 130

Maintenance
107
Figure 3-52 Regeneration valve and the PACK cycle
Hydraulic System Adjustments
The required hydraulic system adjustments include:
Š
Adjusting the Arms Up Deceleration Valve
Š
Adjusting the Arms Down Deceleration Valve
Š
Adjusting the Main System Pressure.
Š
Adjusting the Pressure Switch
Adjusting the Arms Up Deceleration Valve
For description of this valve, refer to “Arms Up Deceleration Valve” on page 99.
To adjust the arms up deceleration valve:
1.
Raise the arms up until they rest on the arm stops.
2.
Position the cam so it depresses the spool of the deceleration valve until there is approximately 3/
16 in. (4.75 mm) of the spool still exposed (see Figure 3-53).