BMW AG Motorcycle (K1100LT, K1100RS). Manual - part 31

33.15

Checking contact pattern

•

The contact pattern must be checked when the
set of gears, the housing or the bearing of the
drive bevel gear has been replaced.

Note:

The contact pattern is set with the spacer ring?(1) on
the drive bevel gear.

•

Remove grease from the tooth profiles of the
crown wheel and bevel gear and coat with engi-
neer’s blue or white oil paint.

•

Fit crown wheel, press into housing with palm of
hand and turn forward and backward several
times.

•

If the correct spacer ring is installed, the no-load
contact pattern as shown above should be ob-
tained.

Note:

The contact pattern is in the centre of the forward
profile “V”.
The contact pattern is nearer the large diameter on
the reverse profile “R”.

Caution:

The teeth should never touch at the small diameter!

•

If this contact pattern is obtained, a thinner spac-
er ring must be installed.

•

If this contact pattern is obtained, a thicker spac-
er ring must be installed.

LT330220

LT330240

LT330250

33.16

Shimming housing cover

•

The housing cover must be shimmed in order to
achieve the corresponding preload of the taper
roller bearing.

•

Measure distance “a” with depth gauge,
BMW No. 00 2 500.

•

Fit measuring ring (arrow), BMW No. 33 2 601

•

Measure from the outer race of the ball bearing
to the parting surface of the housing through the
cutout in the measuring ring.

•

Dimension “ a ” – dimension “ b ” = thickness of
shim without preload.

•

Lightly grease determined spacer ring and fit in
position.

Preload........ 0.05...0.1 mm

(0.00197...0.003937 in)

Installing housing cover

•

Drive in sealing ring using drift,
BMW No. 33 1 860, and handle
BMW No. 00 5 500.

•

Install O-ring lightly oiled/greased.

•

Fit housing cover in position and heat to 80 °C.

•

Tighten retaining bolts crosswise.

Tightening torque:

Housing cover, M 10 x 30 (with Paralever) ...35 Nm

Installing slider

•

Coat spline on drive pinion with “Optimoly MP3”.

•

Fit slider piece on drive pinion.

•

Engage the retaining ring with light hammer
blows (plastic-headed hammer).

00 2 500

LT330260

33 2 601

LT330270

00 5 500

LT330280

33 1 860

33.17

Installing rear wheel drive

•

Coat spline on sliding piece (arrow), for example
with Optimoly MP3.

•

Fit inner race (5) of right-hand needle bearing
with a little grease, e.g. Optimoly TA.

•

Fit rear wheel drive with gaiter in position, insert
sliding piece in drive shaft.

•

Loosely secure spring strut to rear wheel drive.

Caution:

The bearing pin of the fixed bearing?(1) is micro-en-
capsulated, clean thread!

•

Screw in bearing pin (1) with Loctite 2701.

Caution:

The inner bearing race must never press against the
end faces of the needles!

Tightening torque:

Bearing pin of fixed bearing ....................... 150 Nm
(clean thread + Loctite 2701)

•

Screw in the bearing pin of the loose bearing (3)
with Loctite 2701.

Tightening torques:

Bearing pin of loose bearing .......................... 7 Nm
(clean thread + Loctite 2701 applied to entire
length of thread on loose bearing pin)
Locknut...................................................... 105 Nm

Caution:

The final tightening torque must be applied without
delay to threaded connections secured with
Loctite 2701. The Loctite requires at least 3 hours
to harden.

Note:

To clean use an acetone-based cleaning product,
e.g.
Loctite 706 rapid cleaner
(Loctite order No. 70636-AC).

LT330320

33.18

•

Apply a load of approx. 85 Kg (1887.43 lb)to the
motorcycle and tighten loose strut (4) with the
nut on the wheel side.

Tightening torques:

Strut to rear wheel drive ............................... 43 Nm
Suspension strut to rear wheel drive ............ 51 Nm

•

Tighten the strap holding the flexible gaiter.

•

Add oil.

Oil content:
Initial filling................................. 0.25 l (0.44 Imp.pt)
First oil change.......................... 0.23 l (0.41 Imp.pt)

Gear oil grade:
Use brand-name hypoid gear oil, SAE 90, API Class
GL 5.

Note:

Add oil only up to the lower edge of the thread in the
filler aperture.

•

Install the brake disc in the previously marked
position

Tightening torque:

Brake disc to rear wheel drive ...................... 21 Nm

•

Install the rear wheel, insert the wheel studs and
tighten them in the specified order.

Tightening torques:

wheel studs:
Stage 1 ........................................................ 50 Nm
Stage 2 ...................................................... 105 Nm

•

Install the brake caliper

Caution:

Do not damage or tilt the brake pads.

•

[ABS]

Check sensor grap.

[ABS]

Rear sensor grap ............. 0.60 . . . 0.65 mm

..................................................... (0.0236...0.0256

Anziehdrehmoment:

Brake caliper to rear wheel drive .................. 32 Nm

•

Install number plate holder.

LT330320

33.19

Removing, disassembling and
assembling rear swinging arm

•

Remove left and right footrest plate.

•

Heat to max. 120 °C at loose bearing of swinging
arm (1), loosen locknut and remove bearing pin.

•

Release the centre and two other bolts on the
fixed bearing (2).

•

Screw in and lock special tool,
BMW No. 26 1 660,

•

Release fourth retaining bolt and remove swing-
ing arm bearing while turning backward and for-
ward.

Removing and installing taper roller
bearing

•

Remove taper roller bearing with support,
BMW No. 00 8 572, and internal extractor 21/2,
BMW No. 00 8 571.

•

Remove outer bearing race with support,
BMW No. 00 8 572 and inner extractor 21/5,
BMW No. 00 8 563.

•

When installing, heat swinging arm bearing to a
temperature of 80 °C.

LT330360

120°C

26 1 660

LT330310

00 8 572

LT330370

00 8 563

00 8 571

33.20

Removing and installing gaiter

•

Remove inner retaining ring, pull gaiter out of
swinging arm.

•

Install in the reverse order of removal.

•

Coat inside and outside (arrows) of sealing lip
with, for example, Optimoly MP3.

Removing drive shaft

•

Press off drive shaft with screwdriver.

Caution:

Avoid scratching painted parts;use a rubber under-
lay if necessary.

Checking universal joint for wear

•

Determine axial and radial play by shifting axially
and turning radially.

Removing retaining ring

•

Lever out retaining ring in universal joint using a
small screwdriver.

•

Install in the reverse order of removal.

Installing drive shaft

•

Coat spline of drive shaft with, for example,
Optimoly MP3.

•

Fit drive shaft on output shaft.

•

Engage snap ring in position with light blows
(plastic-headed hammer).

LT330300

LT330380

LT330420

33.21

Installing swinging arm

•

Slide swinging arm over drive shaft.

•

Lift drive shaft over the support surface in the
swinging fork and press forward swinging arm as
far as possible until gaiter snaps in position at the
gearbox neck.

•

Coat bearing pin of fixed bearing with

Optimoly TA

and install and firmly tighten with

special tool

BMW No. 26 1 660

•

Install bracket (1) for line of electric side stand
switch.

Tightening torque:

Swinging arm fixed bearing ............................ 9 Nm

•

Coat bearing pin of loose bearing with
Optimoly TA, install, firmly tighten and secure
locknut.

Tightening torques:

Bearing pin of loose bearing
(clean thread + Loctite 270)............................ 7 Nm
Locknut ........................................................ 41 Nm

Installing footrest plates

•

Install left footrest plate.

•

[ABS]

Note earth (ground) cable.

•

Mount silencer.

Tightening torques:

Footrest plate to gearbox ............................ 15 Nm
Silencer to footrest plate ................................ 9 Nm

•

Install right footrest plate.

•

Carefully arrange all leads and hoses; ensure
they are not pinched.

•

[ABS] Note earth (ground) cable.

Tightening torques:

Footrest plate to gearbox ............................. 15 Nm
[ABS I] Support bracket,
pressure modulator ...................................... 17 Nm

26 1 660

LT330310

LT330390

33.22

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