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Auxiliaries installation
74
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5. Connect the pump drive coupling (3) to the drive
shaft. Loosen the coupling mounting bolts.
6. Put the pump case on the pump bracket, then
tighten the mounting bolts (4) temporarily.
7. Connect the fuel pipe and the oil pipe to the injec-
tion pump.
8. Tighten the two coupling bolts (5) temporarily.
9. Insert the side of the Injection coupling gauge (A)
marked with "GO" to determine clearance (B) be-
tween the flywheel and coupling, then tighten the
bolts to specified torque.
NOTE! Only the side marked with "GO" should fit into
the gap. If not, loosen the bolt and readjust the clear-
ance.
Flywheel and coupling clearance, mm[in.]
Standard clearance ... 49±0.25 [1.93±0.010
10. Tighten the pump mounting bolt (4) firmly. Be
sure that the coupling mark (B) aligns with the
pump case pointer (A). Tighten the two connect-
ing nuts (5) to specified torque.
11. Tighten the shaft tightening bolt (6) of the cou-
pling to specified torque.
NOTE! Coupling damage or wrong injection timing
can be caused by improper tightening of bolts.
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