Loader Bobcat 853, 853H. 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