Maintenance
8752−1/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
5/ 5
F
G
H
016.739/08
016.739/08
016.739/08
1
x
DF
94870G 94870E
1. 2.
HD
94870F
⇒ Remove claw 18 (Fig. ’B’).
⇒ Fix HP fuel pipe 1 and 2, e.g. in a vice.
⇒ Screw on counter nut 94870G until it reaches the
thread end of the HP fuel pipe.
⇒ Turn screw-on sleeve 94870E up to the counter nut.
⇒ Lock the screw-on sleeve with the counter nut.
⇒ Clamp grinding tool 94870F in hand drill ’HD’.
⇒ Slide grinding tool into the screw-on sleeve
until it slightly touches the HP fuel pipe.
⇒ Let the grinding tool rotate with a max. speed
of 1500 rpm and grind for 3 to 5 seconds.
⇒ Withdraw the grinding tool from the screw-on sleeve
and blow out both parts with pressurized air.
⇒ Verify the surface quality of sealing face ’DF’ and if
necessary repeat the regrinding process using a
fresh emery cloth ’EC’.
Remark: In case of big notches the tube has to be short-
ened in order to restitute a clearance of ’x’ = min. 0.5 mm
between the countersunk screw and the end face.
⇒ Remove counter nut and screw-on sleeve.
⇒ After grinding thoroughly clean the HP fuel pipe.
HP Fuel Pipe: Removing, Fitting and Regrinding
2013
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