Operation Manual

Job Card No.:
Engine:
Filing No.:
Injection Pump Element
Removal / Refitment
0178-17-10 1953
07.02.01 Page 2 of 3
S/BVM 628
© 1284
Fig. 3
Removing the Element
Removal is initially as described under ”Removing
the Delivery Valve”. Then turn engine by hand until
the plunger of the relevant pump element is in top-
most position, i.e. with the tappet roller resting on the
cam peak. Take out screws (303) - Fig. 2 - together
with washers (348). Remove plate (298), locking strip
(299) and bridge (301).
Screw in pins (4) - Fig. 3 -, place on clamping plate (2)
and tighten up with hex. nuts (6) fitted with washers
(5). Now complete special tool with threaded piece
(3), set screw (7) and nut (8). Turn set screw into
plunger (9) and pull element out of injection pump by
turning the nut. Take off clamping plate (2).
Clean all components in diesel fuel. Renew O-seal
(346) - Fig. 1.
Prior to Refitting a Pump Element
Set the idle stroke (Job Card 07.02.02)
Set constant delivery (Job Card 07.02.05)
Refitting the Element
Turn engine by hand until the plunger of the relevant
pump element is at bottom, i.e. with the tappet roller
resting on the cam base circle. Gauge new element
seal as per Job Card 07.02.04. To facilitate installati-
on, apply a film of Parker-O-Lube compound to the
sealing surfaces of the pump element, the element
seal and the O-seal (346) - Fig. 1.
Mount clamping plate (2) and nut (8) as shown in Fig.
4 and carefully insert element into injection pump.
Press element onto its seat by turning the nut.
Fill space of element seal with grease.
When inserting the pump element, make sure
that the control pin (21) - Fig. 1 - engages in
lug (3).
Fig. 2
Fig. 4
© 25 546 1
© 25 544 1
© 25 545 1