Nuts - Mitsubishi 6M70 Workshop Manual

(3) Adjustment of turbocharger
WARNING
• The turbocharger is hot for a while after the engine is
stopped. Take care not to burn yourself during adjustment
work.
• To adjust the turbocharger, turn the joint.
• Make sure that the air cylinder is in the state of zero stroke when
the engine is stopped.
• Loosen the position bolts A and B.
• Remove the connecting levers from the air cylinder joint.
• With a wrench put on the flats of the air cylinder shaft, loosen the
nut.
• Turning the joint part of the air cylinder, adjust the length of the
shaft.
Adjusting guide: One turn
(with engine speed at 1600 rpm)
CAUTION
• If boost pressure exceeds the standard value, the engine
may malfunction or break down. Boost pressure must be
within the specified range.
• After adjustment, secure the shaft with nut and refit the levers to
the joint.
• Measure boost pressure again.
• If the boost pressure deviates from the standard value, readjust
it.
• Make sure that the air cylinder is in the state of zero stroke when
the engine is stopped.
• Tighten the position bolt A for the illustrated clearance between
the bolt and lever.
• After adjustment, secure the bolt with the lock nut.
• Introduce specified pressure in the air cylinder from the port A,
B, C to bring the air cylinder into the state of full stroke.
• Tighten the position bolt B for the illustrated clearance between
the bolt and lever.
• After adjustment, secure the bolt with the lock nut.
Decreased by ap-
Direction A
prox. 17 kPa
Increased by approx.
Direction B
17 kPa
15
15-11