Loader Bobcat 773. Manual - part 85

FAN GEARBOX (Cont’d)

Disassembly (Cont’d)

Press the bearing, shims and gear from the shaft [A].

Remove the key from the shaft [B].

Revised Jan. 99

A

P–03001

773 BICS Loader

–7–19–

Service Manual

B

P–02972

FAN GEARBOX (Cont’d)

Assembly

NOTE: See Note Page 7–15 when ordering parts for

the Fan Gearbox.

NOTE: Do not install the seals and cap in the

housing until after the backlash has been
checked.

NOTE: Use care when pressing the bearings into the

aluminum housing. The housing can be
damaged if too much pressure is used.

NOTE: For procedures requiring the use of LOCTITE

#518 adhesive, thoroughly clean and dry
affected parts before the application of
LOCTITE #518.

Long Housing

Press a bearing on the short keyed end of the long shaft
[A].

Install the long housing on the shaft [B].

Be sure the bearing is seated in the bore at the lower end
of the housing.

Install a bearing on the long keyed end of the shaft [C].

Support the lower bearing and press the other bearing in
the housing until the bearings seat in the housing [C].

Install on the bearing, the same number and size shims
that were removed during disassembly [D].

Revised Jan. 99

A

P–02961

C

P–02962

D

P–02963

–7–20–

773 BICS Loader

Service Manual

B

P–02960

FAN GEARBOX (Cont’d)

Assembly (Cont’d)

Install the small snap ring in the groove above the shims
[A].

Install the gear key in the flange end of the shaft [B].

Align the key and gear. While supporting the bearing on
the other end, press the gear on the shaft until it seats
against the bearing [C].

Install the washer (Item 1) [D].

Put liquid adhesive (LOCTITE #242) on the screw
threads. Install and tighten the screw [D].

Revised Jan. 99

A

P–02964

C

P–02967

D

P–02966

1

773 BICS Loader

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B

P–02965

FAN GEARBOX (Cont’d)

Assembly (Cont’d)

Short Housing

Install a bearing in the flanged end of the housing [A].

Install the large shims on the bearing (flanged end) [B]

Install the large snap ring in the groove above the shims
[C].

Install the short key (Item 1) [D].

Align and press the gear on the shaft (teeth toward the
tapered end of the shaft) [D].

Revised Jan. 99

A

P–02968

C

P–02970

D

P–02971

1

–7–22–

773 BICS Loader

Service Manual

B

P–02969