TM 9-2320-273-20
ENGINE RETARDER BRAKE.
If rubber connector
is damaged, replace.
4-28. ROCKER ARM HOUSING COVERS MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
A. REMOVAL OF CROSSOVER TUBE (Continued).
3. Upper clamp (5).
Loosen.
4. Crossover tube (6).
Remove.
B. REMOVAL OF COVER.
5. Five capscrews (7),
Unscrew and remove.
and washers (8).
6. Rocker arm housing cover (9).
Lift off.
7. Gasket (10).
Take off and throw away.
C. CLEANING.
8. Rocker arm housing cover (9).
Clean with dry cleaning solvent.
9. Engine retarder housing (11).
Wipe grease from rim where
gasket (10) rests.
D. INSTALLATION OF COVER.
10. New gasket (10).
Set in place on engine retarder
housing (11).
11. Rocker arm housing cover (9).
Set onto gasket (10).
12. Capscrews (7) and washers (8).
Tighten to 15 Ib-ft (20 N•m)
with torque wrench.
E. INSTALLATION OF CROSSOVER TUBE (CENTER COVER ONLY).
13. Crossover tube (6) and new
Hold in place and attach
Clamp down tachograph
crossover tube gasket (4).
with capscrews (2) and
cable and hose at this
washers (3).
time.
14. Upper clamp (5).
Tighten.
15. Crossover tube capscrews (2).
Tighten.
16. Ether atomizer line (1).
Connect and tighten.
4-94
