TM 5-3805-293-23-4
0218
FRONT VALVE BANK CONTINUED
Scarifier Circuit
WARN I N G
If lowering scarifier with this procedure, use extreme caution. Keep clear of scarifier.
Failure to follow this warning may cause injury to personnel.
N OT E
If scarifier is in a raised position, weight may need to be added while releasing pressure in
order to lower the scarifier.
1. Shut off machine (TM 5-3805-293-10).
2. Slowly turn scarifier lock valves (Figure 18, Item 2) three complete turns. Allow pressure to release.
3. Remove scarifier lock valves (Figure 18, Item 2) and O-rings (Figure 18, Item 3) from manifold (Figure 18,
Item 1). Discard O-rings.
4. Install new O-rings (Figure 18, Item 3) on scarifier lock valves (Figure 18, Item 2). Install scarifier lock valves on
manifold (Figure 18, Item 1). Torque to 59 11 lb-ft (80 15 Nm).
Figure 18. Scarifier Circuit.
0218
END OF TASK
Change 1