GMC PD-4103 Maintenance Manual page 166

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Sec. 8
Page 146
GM COACH MAINTENANCE MANUAL
DIESEL ENGINE MOUNTING
SECTION AT MOUNTING
ENGINE REAR MOUNTING
TP-6304
t1gure 0-t'ower
t'lant
Mounting
tions as listed,
disconnect both battery
leads.
1. Raise and support engine compartment door,
then remove door support arms at rear quarter
panel brackets.
2. Remove engine rear enclosure panel.
3. Shut off engine compartment starter circuit
cut-out switch.
4. Remove transmission and engine dust pans.
5. Drain cooling system.
Two drain cocks
must be opened; one at water pump and one under
forward radiator water outlet line. Shut-off valves
in heater lines may be closed so it will not be
necessary to wait for water to drain from heating
system.
6. Disconnect heater pipes
between engine
and bulkhead; cooling system between radiator
and surge tank; air intake system between blower
and manifold, also generator;
compressed air
system as necessary; electrical system, exhaust
system; hand brake, transmission, clutch, and ac-
celerator control rods; fuel lines and speedometer
cable.
7. Unscrew propeller shaft slip joint (A, Fig.
6). When engine is removed, propeller shaft will
separate at joint.
8.
Place suitable dolly under engine.
9. Remove bolts (B) retaining bracket cap
ball joint to engine bulkhead support bracket.
10. Remove bolts retaining right- and left-
hand support tube assemblies to engine support
beam assembly.
11. Remove screws
retaining
engine
rear
quarter panels to engine support beam.
12. Remove two bolts retaining radiator sup-
port channel at front edge of engine bulkhead.
13. Recheck carefully to be sure that all ap-
paratus from engine to chassis has been discon-
nected; then withdraw engine cradle assembly with
radiator, engine and transmission as a unit from
rear of vehicle.

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