Assembling Telescopic Fork; Measuring Telescopic Fork; Check Slider Tube Bridge; Checking Runout Of Fixed Tube - BMW R 1100 RT Repair Manual

Assembling telescopic fork

•
Insert oil drain plug.
e
Caution:
Install a new O-ring (7). Make sure the O-ring is cor-
rectly seated.
•
Fill with oil.
Fill quantity per fixed tube:
[RS/GS/R/RT] .................0.470 l (0.827 Imp. pints)
Oil grade in telescopic fork:
..........................................BMW telescopic fork oil
L
Note:
No oil changes required during services: unit is
maintenance-free.
•
Install fixed tube.
•
Install washer (6).
•
Oil the shaft seal slightly and push it on as far as
possible (to stop on slider tube) by striking it
lightly with drift, BMW No. 31 5 610, and reduc-
ing adapter, BMW No. 31 5 613.
•
Install retaining ring and dust cover.
•
Insert bleed screw (1).
•
Bleed telescopic fork in no-load position.
X
Tightening torque:
[RS] Threaded plug at fixed tube ................. 18 Nm
[GS/R/RT] Threaded plug at fixed tube
....................................... press-fit - do not remove!
31.14

Measuring telescopic fork

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Caution:
After an accident, always examine the telescopic
fork for cracks and signs of damage.

Check slider tube bridge

•
Check that the slider tube bridge is flat.
e
Caution:
Renew slider tube bridge if distorted.

Checking runout of fixed tube

•
Place both ends of fixed tube in V-blocks.
•
Rotate fixed tube slowly and check with dial
gauge while doing so.
e
Caution:
Do not straighten distorted fixed tubes:
always renew them.
Permissible runout: ................. 0.4 mm (0.0157 in)
RS310061