TM 9-2320-273-20
4-9. ENGINE RETARDER BRAKE MAINTENANCE TASK SUMMARY.
INITIAL SETUP
EQUIPMENT
APPLICABLE CONFIGURATIONS
CONDITION PARA
CONDITION DESCRIPTION
All.
4-15A.
Breather tube removed.
TEST EQUIPMENT
4-27A.
Turbo air inlet removed.
None.
4-28A&B.
Rocker arm housing covers
removed.
SPECIAL TOOLS
None.
MATERIALS/PARTS (P/N)
Dry cleaning solvent (Refer to Appendix C).
Crossover tube gasket (center cover only) (216487).
Gasket, rocker arm housing (3009999).
PERSONNEL REQUIRED
One, or two (MOS-63B20).
REFERENCES (TM)
TM9-2320-273-10.
TM9-2320-273-20P.
SPECIAL ENVIRONMENTAL CONDITIONS
REFERENCES (TROUBLESHOOTING)
Work area must be clean, as dirt in the
Table 5-4.
turbocharger and engine can cause damage.
Vehicle parked on level ground.
GENERAL SAFETY INSTRUCTIONS
Engine off; transmission in neutral.
Park brake set.
LIST OF TASKS
TASK
TASK
TROUBLESHOOTING
NO.
TASK
REF
REF (TABLE)
1.
Rocker Arm Housing Covers Maintenance:
4-28
5-4
A. Removal of crossover tube.
4
2
8A
B.
Removal of cover.
4-28B
C.
Cleaning.
4-28C
D.
Installation of cover.
4-28D
E.
InstalIation of crossover tube.
4-28E
2.
Engine Retarder Brake Maintenance:
4-29
5-4
Inspection.
4-29
4-13
