TM 9-2320-392-10-2
WRECKER HYDRAULIC SYSTEM
0097 00
TROUBLESHOOTING - Continued
WRECKER HYDRAULIC SYSTEM - Continued
Table 1. Wrecker Hydraulic System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. M1089A1
1.
Check to see if
1.
Start engine (WP 0018 00).
MATERIAL
MHC functions
HANDLING CRANE
operate with PTO
(MHC) HAND PUMP
engaged.
DOES NOT
OPERATE
2.
Position PTO switch to on
(WP 0041 00).
3.
Position LO IDLE/HI IDLE
switch to HI IDLE (WP 0041
00).
4.
Attempt to operate MHC (WP
0041 00).
5.
If MHC does not operate with
PTO engaged, perform
Hydraulic System
Troubleshooting (WP 0082
Hydraulic Pressure).
6.
Position LO IDLE/HI IDLE
switch to LO IDLE (WP 0004
00).
7.
Position PTO switch to off
(WP 0041 00).
8.
Shut down engine (WP 0018
00).
2.
Check hydraulic
If Class III leaks are found or
tubes and fittings
wrecker crane hand pump
for Class III leaks.
still does not operate, notify
Field Maintenance.
0097 00-12
