Check and renew any worn components. Always fit new pump
gaskets, remember to lubricate the gaskets with a thin layer of
grease before refitting them to the pump.
Refitting pump to engine. For correct fitting, use two out of
three gaskets as stated below:
«Ä» gasket of 0.27-0.33 mm;
«Ç» gasket of 0.70-0.80 mm
«ë» gasket of 1.10-1.30 mm.
Refit as shown in Fig.2-80 in the following sequence.
Locate the gasket A, then heat screen to the cylinder block,
next place the gasket B on the face mating the pump. Using tool
67.7834.9506 measure the distance «d» (minimum rod protru-
sion to be set through slow crankshaft rotation). When the size
«d» is within 0.8-1.3 mm, secure the fuel pump to the engine.
When the size «d» is below 0.8 mm, replace the gasket Ç with
the gasket Ä. When the size «d» is over 1.3 mm, replace the gas-
ket Ç with the gasket ë. Recheck the size «d» and secure the
pump to the engine.
Make sure the gasket Ä is always fitted between the cylinder
block and heat screen.
45
Fig.2-80. Checking and adjusting the fuel pump pushrod projection:
Ä - gasket of 0.27-0.33 mm; Ç - gasket of 0.70-0.80 mm;
d - pushrod projection
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