Loader Bobcat 853, 853H. Service Manual — part 57
1.
Seal
2.
Snap Ring (Small)
3.
Shims (1.0 inch O.D.)
4.
Bearing
5.
Shaft (Long)
6.
Shims (2.0 inch O.D.)
7.
Long Key
8.
Shaft (Short)
9.
Short Key
10.
Long Housing
11.
Nut
12.
Gear
13.
Washer
14.
Screw
15.
Square Shim
*16.
Short Housing
17.
Bolt
18.
Snap Ring (Large)
19.
Cap
20.
Long Housing Assy.
21.
Short Housing Assy.
22.
Fill Plug
TS–01002
FAN GEARBOX
Parts Identification
1
18
6
4
8
*16
12
4
13
14
18
19
1
2
4
4
13
14
11
15
3
12
20
3
5
2
7
10
12
20
17
17
21
* Individual Part not available
22
853, 853H Loader
–7–17–
Service Manual
FAN GEARBOX (Cont’d)
Disassembly
NOTE: When repairing the gearbox order the
following as needed:
Remove the fan and blower housing mounting plate. (See
Page 7–15.)
Long Housing
Loosen the set screws (Item 1) [A] and remove the pulley
(Item 2) [A].
Remove the long key (Item 3) [A].
Remove the four mounting bolts and the part number tag
[B].
Remove the oil from the gearbox.
AVOID INJURY OR DEATH
Wear safety goggles to prevent eye injury
when drilling or grinding.
W–2108–1186
Drill an 1/8 inch (13 mm) hole in the seal. Use a slide
hammer tool to remove the seal [C].
Remove the small snap ring [D].
1. Complete Assembly
2. Long Housing Assembly
3. Long Housing
4. Short Housing Assembly (See Note
Below)
5. Internal Parts
NOTE: The short housing is only available as an
assembly. See the Parts Identification Page
7–17 for reference. (Order parts from Melroe
Parts Sales.)
NOTE: Be sure to count the number and thickness of
shims during disassembly. Install the shims
in the original location during assembly.
A
P–03005
1
2
3
C
P–02999
D
P–02964
–7–18–
853, 853H Loader
Service Manual
B
P–02983
Part Number
Tag
FAN GEARBOX (Cont’d)
Disassembly (Cont’d)
Remove the small shims [A].
NOTE: The gear and the other bearing (pulley end)
will be removed with the shaft.
Remove the screw and washer from the shaft [B].
Support the lower flange and press the shaft from the
bearing [C].
Support the bearing and press the shaft from the bearing
[D].
A
P–02963
C
P–03004
D
P–03298
853, 853H Loader
–7–19–
Service Manual
B
P–02966
FAN GEARBOX (Cont’d)
Disassembly (Cont’d)
Short Housing
Remove the end cap [A].
Use care not to damage the housing.
AVOID INJURY OR DEATH
Wear safety goggles to prevent eye injury
when drilling or grinding.
W–2108–1186
Drill an 1/8 inch (3 mm) hole in the seal. Use a slide
hammer tool to remove the seal [B].
Remove the large snap ring from the flange end of the
housing [C].
Remove the large shims from the housing [D].
NOTE: Use the same size and thickness of shims
during assembly.
A
P–02997
C
P–02970
D
P–02969
–7–20–
853, 853H Loader
Service Manual
B
P–02996
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