Loader Bobcat 853, 853H. Service Manual — part 62
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FLYWHEEL
Removal And Installation
Remove the drive belt. (See Page 3–1.)
Remove the bolts (Item 1) [A] from the flywheel.
Installation: Put LOCTITE on the flywheel bolts. Tighten
the bolts to 83–90 ft.–lbs. (113–122 Nm) torque.
Remove the flywheel from the engine crankshaft [B].
Flywheel Ring Gear
The ring gear on the flywheel is an interference fit. Heat
the ring gear enough to expand it and hit it with a hammer
to remove it evenly.
Clean the outer surface of the flywheel to give it a smooth
fit.
Clean the new ring gear and heat it to a temperature of
450–500
°
F (232–260
°
C).
Fit the ring gear over the flywheel. Make sure the gear is
on the seat correctly.
NOTE: Early S/N Loader does not have cooling fins
in flywheel.
A
P–04928
1
853, 853H Loader
–7–37–
Service Manual
B
P–04939
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BELT SHIELD
Removal And Installation
Remove the mounting bolt (Item 1) [A] from the
thermostat housing.
Remove the mounting bolt (Item 2) [A] from the cylinder
head.
Remove the mounting bolt (Item 3) [A].
Remove the mounting bolt (Item 1) [B] from the alternator
mounting bracket.
Remove the belt shield from the engine.
A
P–04947
3
2
1
–7–38–
853, 853H Loader
Service Manual
B
P–04945
1
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ENGINE MOUNTS
Removal And Installation
There is a kit available to replace the existing engine
mounts in older model 853 loaders.
Use the following procedure to install new engine mounts:
Remove the existing mount from the engine. Refer to
engine Removal And Installation for engine mount
locations.
Replace all four engine mounts (2 front and 2 rear).
Use the parts shown to install the new engine mounts [A].
Item 1 – Square Nut – Used on left side engine mounts
Item 2 – Hex Nut – Used on right side engine mounts
Item 3 – Mount Washer
Item 4 – Engine Mount
Item 5 – Tube Spacer – Front 1.47 inch (37,3 mm)
Rear 1.57 inch (39,9 mm)
Item 6 – Snubbing Washer
Item 7 – Mounting Bolt
Install the new engine mount as shown in the cut away
side view [B].
Tighten the mounting bolts to 90–100 ft.–lbs. (125–130
Nm) torque.
A
MC–01771
2
3
4
6
5
7
1
B
MC–01765
Engine
Mounting
Bracket
Engine
Mount
Spacer
Snubbing
Washer
Washer
Loader
Frame
853, 853H Loader
–7–39–
Service Manual
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GLOW PLUGS
Removal And Installation
Disconnect the negative (–) cable from the battery.
Remove the electrical bar holddown nuts at the glow
plugs [A].
Remove the electrical connector bar [B].
Remove the glow plug from the cylinder head [C].
Checking The Glow Plugs
Connect the voltmeter to the terminal end of the glow
plug. Touch the other lead from the voltmeter to the
heating end of the glow plug [D].
The reading must be approximately 1.5 ohms. If the
resistance is zero ohms the glow plug has a short circuit.
If the resistance is infinite, the coil of the glow plug is
broken.
A
B–08957
C
B–08923
D
B–11571
–7–40–
853, 853H Loader
Service Manual
B
B–08919
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