WinGD RT-flex50DF, Maintenance Manual, Page: 390 / 586

Maintenance
5556 − 1/A1
Winterthur Gas & Diesel Ltd.
8/ 13
4.3 Pump Cover − Installation
1) Make sure that all the joint faces are
clean and in a satisfactory condition.
2) Lubricate the O-rings (5, Fig 12 ).
3) Attach the O-rings (5) to the valve
block (4).
4) Put the valve body (9) and
compression spring (10) into the valve
block (4).
5) Put the valve block into the top
housing (7).
6) Attach the intermediate disc (11) to the
valve block (4) with the circlip (3).
7) Install the pump cover (2).
8) Apply Never-Seez NSBT-8 to then
threads and seating surfaces of the
screws (1).
9) Torque symmetrically in equal steps the
screws (1) to 115 Nm.
4.4 Toothed Rack − Installation
1) Make sure that the pump cover (4,
Fig. 13 ) points down.
2) Attach the top housing (5) to the work
bench.
3) Put a new rod sealing ring on the
flange (9).
4) Make sure the toothed rack (3) moves
freely.
5) Put the rod sealing rings (6) in each
flange (9).
6) Attach the two flanges (9) to the
housing (2) with the two screws (5).
7) Attach the stop ring (8) and the
circlip (7).
4.5 Regulating Sleeve −
Installation
1) Move the toothed rack (3) to the
position shown.
2) Put the spacer (94555) on the toothed
rack (3) as shown.
3) Put the regulating sleeve (11) into the
top housing. Make sure that the
toothed rim points down.
4) Make sure that the guide pin (10) goes
into the groove in the regulating
sleeve (11).
Fuel Pump: Removal, Disassemble, Assemble, Installation
2016
008.653/00
6
4
2
5
1
3
8
10
11
9
Fig. 12
7
94555
013.680/05
3
2
1
10
11
4
5 6 7
8 9
Fig. 13