Loader Bobcat 853, 853H. Manual - part 36

AXLE SEAL

Removal And Installation

Lift and block the loader. (See Page 1–1.)

Remove the tire/wheel assembly.

Installation: Tighten the wheel nuts to 105–115 ft.–lbs.
(142–155 Nm) torque.

Remove the bolts (Item 1) [A] and plate.

Installation:  Tighten the bolts to 175–190 ft.–lbs.
(240–260 Nm) torque.

Remove the two wheel studs (Item 2) [A] across from
each other.

Install puller (Item 1)  [B] on the wheel hub.

NEVER STAND IN–LINE OF THE HUB WHEN
REMOVING A HUB FROM AN AXLE. The hub
has a tapered fit on the axle end and can come
off the axle with great force and cause serious
injury.

Remove the hub from the axle.

Remove the key (Item 1) [C] from the axle.

Drill a hole into the axle seal [D].

W–2186–0395

A

P–04850

2

1

2

C

P–04848

1

D

P–04815

853, 853H Loader

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B

P–04849

1

AXLE SEAL (Cont’d)

Removal And Installation (Cont’d)

Install a slide hammer (Item 1) [A] with a screw tip end into
the axle seal.

Remove the axle seal.

The tool listed will be needed to do the following
procedure:

MEL1407 – Seal Installation Tool

If the axle is damaged or worn, an axle repair sleeve kit
is available from Melroe Parts Sales in Chicago.

NOTE: If a new wear ring is being installed with new

seal, put LOCTITE sealant on the inside
diameter of the wear ring.

Place the taper on the wear ring so it faces the outside [B].

Place the seal with the lip facing in [B].

Use a hammer, install the new axle seal until the tool is
flush with the edge of the axle tube [C].

A

P–04817

1

C

P–04814

–4–10–

853, 853H Loader

Service Manual

B

B–13493

Taper

AXLE, SPROCKET AND BEARINGS

Removal And Installation

The tools listed will be needed to do the following
procedure:

MEL1242 – Port–a–Power
MEL1202B – Axle Bearing Service Set

NOTE: The procedure shown for removal and

installation of the axle, sprocket and
bearings is for a front axle. This procedure
will be the same for the rear axle also (See
Page 4–8 for rear chaincase cover removal).

Lift and block the loader. (See Page 1–1)

Remove the front panel/steering lever assembly. (See
Page 3–1.)

Remove the front cover. (See Page 4–8.)

Remove the fluid from the chaincase. (See Page 4–27.)

Loosen the axle sprocket bolt (Item 1) [A].

Installation: Tighten the axle sprocket bolt to 475–525
ft.–lbs. (644–710 Nm) torque.

Remove the bolts (Item 1) [B] and plate.

Installation:  Tighten the bolts to 175–190 ft.–lbs.
(240–260 Nm) torque.

Remove the two wheel studs (Item 2) [B] across from
each other.

Install a puller (Item 1) [C] on the wheel hub.

Remove the hub from the axle.

Install a Port–a–Power ram between the two sprockets
[D].

NEVER STAND IN–LINE OF THE HUB WHEN
REMOVING A HUB FROM AN AXLE. The hub
has a tapered fit on the axle end and can come
off the axle with great force and cause serious
injury.

W–2186–0395

Never work on a machine with the lift arms up
unless the lift arms are secured by an approved
lift arm support device. Failure to use an
approved lift arm support device can allow the
lift arms or attachment to fall and cause injury
or death.

W–2059–0598

A

P–04810

1

C

P–04849

1

D

P–04809

853, 853H Loader

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Service Manual

B

P–04850

2

1

2

AXLE, BEARINGS AND SPROCKET (Cont’d)

Removal And Installation (Cont’d)

Push the axle out until the ram is at the end of the stroke.
Add a spacer and push the axle out again. Repeat this
procedure until the axle is out of the sprocket.

Remove the drive chain from the sprocket.

Remove the sprocket (Item 1) [A] and inner bearing (Item
2) [A].

Installation:  Pack the inner and outer bearing with
grease before installing them.

A bearing puller (Item 1) [B] is needed to do the following
procedure:

Be sure the bearing puller makes good contact with the
inner race and press the bearing off the mounting surface
of the axle [B].

NOTE: Hold onto the axle during removal as it will

slide freely after the bearing is removed from
the mounting surface.

Press the splined end of the axle free from the bearing
[C].

Installation: Put the spline end of the axle shaft into the
bearing and press the bearing onto the axle.

NOTE: Hold onto the axle during installation as it

will slide freely after the bearing is pressed
over the splined end of the shaft.

Put a piece of tubing (Item 1) [D] that contacts inner race
of the bearing only.

Press the bearing onto the mounting surface until the
bearing is fully seated [D].

A

P–04808

2

1

C

P–04171

D

P–04175

1

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B

P–04170

1