MAK M20 Operating Instructions Manual page 365

M20
1.3 Disconnect connection of the injection
pump control rack (Fig. 1/2) to the
regulating shaft and slide control rack
completely into the injection pump.
1.4 Disconnect holder for stop cylinder (3)
at the injection pump.
Loosen thrust screws (Fig. 2/11), lever
1.5
off transverse pressure piece of the
injection pressure line with cover (12)
and pull to the left out of the cylinder
head and the injection pump.
Slide sleeve (13) to the left into the
cylinder head.
1.6 Disconnect distributor housing of the
fuel collecting pipe at the injection
pump.
1.7 Loosen nuts (14) of the fastening
screws at the injection pump uniformly
and lift the injection pump off cylinder
crankcase.
Attention:
Spacer plates (Fig. 3/23) belonging to
the cylinders must not be removed.
Safety note:
Caution! Spring tension of the injection
pump drive interacts with the injection
pump.
2. Reassembly
Note:
To facilitate reassembly, turn engine in
such a way, that the rocker lever (21) of
the injection pump drive is on the base
circle of the injection cam.
2.1 Clean supporting surface of the
injection pump.
en / 23.01.1998
Injection Pump
Repair / Disassembly and reassembly
IB001371
11
12
13
14
Fig. 2
14
23
22
21
Fig. 3
A5.05. 07.02.01.00
2/3
07