b.
Inspection and Repair. Inspect all parts for
363.
Crane Engine Front Mount and
Pulley
excessive wear or damage. Replace or repair all
Assembly Removal and Disassembly
defective parts.
a.
Removal.
365.
Crane Engine Front Mount and Pulley
(1) Remove the fan belts (para. 167).
Assembly Reassembly and Installation
(2) Remove the crane engine (para. 297).
(3) Remove the radiator (para. 328).
a.
Reassembly. Reassemble the front mount
and pulley assembly in the reverse of the numerical
(4) Remove the front mount and pulley
sequence as illustrated on figure 208.
assembly as instructed on figure 202.
b.
Installation.
b.
Disassembly. Disassemble the front mount
and pulley assembly in numerical sequence as
(1) Install the front mount and pulley
illustrated on figure 208.
assembly as illustrated on figure 202.
(2) Install the radiator (para 880).
364.
Crane Engine Front Mount and Pulley
(3) Install the crane engine (para. 297).
Assembly Cleaning, Inspection, and Repair
(4) Install the fan belts (para. 157).
a.
Cleaning. Clean all parts with an approved
cleaning solvent and dry thoroughly.
Section XX. CRANE ENGINE TIMING GEAR COVER AND TIMING GEARS
368.
Crane Engine Timing Gear Cover and Timing
366.
General
Gears Cleaning and Inspection
The crane engine timing gear cover is used for the
front engine mount and increases the crankshaft and
a.
Cleaning. Clean all parts with an approved
camshaft gears. It is also used to mount the engine
cleaning solvent and dry thoroughly.
speed governor. The crankshaft and camshaft gears
b.
Inspection. Inspect the gears for excessive
are helically cut to provide greatest meshing surface.
wear and damage. Check the backlash of the timing
The crankshaft gear drives the camshaft gear at one-
gears. Force the mating teeth as far apart as possible
half engine speed. The camshaft gear drives the engine
with a feeler gauge; if the clearance is 0.002 inch or
speed governor.
greater, the gears must be replaced. Always replace
gears in pairs.
367.
Crane Engine Timing Gear Cover and Timing
Gears Removal
369.
Crane Engine Timing Gear and Timing Gears
Installation
a.
Remove the fan and generator drive belts
a.
Install the timing gears and timing gears
b.
Remove the engine governor (para. 94).
cover as illustrated on figure 204.
c.
Remove the radiator (para. 328).
b.
Install the crankshaft pulley (para. 865).
d.
Remove the crankshaft pulley (para. 863)
c.
Install the radiator (para. 880).
e.
Remove the timing gear cover and timing
d.
Install the engine governor (para. 94).
gears as instructed on figure 204.
e.
Install the generator and fan drive belts
AGO 6819A
224
