Yaroslavl Engine Plant YMZ-536, Руководство по эксплуатации

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131
FUEL HEATER
To install the heater (Fig. 43) do the following:
1. Unscrew the screws
3
(fixing the
safety cap) and remove the safety
cap
1
from the filter. Use these
screws to fix the heater.
2. Insert the heater
2
with the gasket
5 into the opening in the filter.
3. Fix the heater with the
screws
3
.
4. Connect the cable
4
.
Fig. 43. Installing the heater
1
– cap;
2
– heater;
3
– screws;
4
– cable;
5
– sealing
FINE FUEL FILTER
MAINTENANCE
CHANGE OF FILTERING
ELEMENTS
1. Switch the engine off.
2. Unscrew the filtering element
1
(Fig. 44). In case of difficulty
use special remover.
3. Lubricate with motor oil the seal ring
2
(Fig. 44a) of the new
filtering element.
4. Successively screw filtering elements until the seal ring
2
touches the filter body’s seat, then screw additionally (to 1/2 – 3/4
rev.)