TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
2-2258
2-2258
2-2258
2-2258
2-2258
NO
YES
1.
START
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Faulty stinger hydraulic
system.
Faulty stinger electrical
system.
Does stinger operate
from wrecker control
panel only?
Stinger Operation Check
Notify DS Maintenance.
If stinger operates from
wrecker control panel and
not from remote, stinger
electrical system is faulty.
w6.
M1089 STINGER DOES NOT OPERATE
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Gen Mech (Item 46, Appendix C)
Hydraulic oil level OK.
PTO OK.
Right main winch OK.
Folding cylinder OK.
Stiffleg cylinder OK.
Perform Electrical System
Troubleshooting (e138. All
Wrecker Functions Do Not Operate
From Wrecker Control Panel).