Exercise extreme care when installing spool cap (1) due to spring force. Injury to personnel
could occur if spring force is released quickly.
Secure valve spool (6) in main housing (12) by installing spool cap (1) with preformed packing (4).
Install needle roller (2) with preformed packing (3) in spool cap (1).
Follow-on maintenance: Install trigger (see para. 4-14).
4-16. RELIEF ADJUSTMENT SCREW REPLACEMENT.
This task covers:
Tool kit, general mechanic's (SC 5180-90-CL-N26)
Hydraulic impact wrench disconnected from power
Cloth, cleaning (Appx. C, item 5)