Page 275 - CTS - Mechanic Diesel - TP
P. 275
MECHANIC DIESEL - CITS
Diaphragm Check for cuts/puncture. Replace, if necessary.
Replace governor spring if corroded/surface coating damaged or cracked/nicked.
Replace idling spring stopper if spring is suspected to be broken or if stopper pin is sticky.
Replace leaky or damaged cover/housing/cap.
Inspection of Damping valve MV type governor
Replace valve cone and valve retainer if found to be worn out.
Fig 6
Remove air breather from governor housing and wash it with patrol and blow dry with compressed air.
Inspection of Modified MZ type (with cam operated spring stopper)
• If tenons, threads of lever shaft are worn out or damaged or if cam surface shows excessive wear, replace the
end cover.
If the bearing bores for lever shaft show excessive wear, replace the end cover assembly.
• Replace ‘0’ rings .
Replace washers .
Fig 7
Assembly of governor parts
If governor housing is removed (or replaced) fit it with new gasket and tighten securely with screws and Measure
camshaft projection on drive end with measuring bar and calipers. This dimension should be 9.8-0.5 mm. If
necessary, correct the projection by inserting shims. This operation is also necessary when camshaft, bearings or
the bearing cover require replacement.
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CITS : Automotive - Mechanic Diesel - Exercise 15.4