Resetting The Valve Clearances With Engine Cold; Linkage From The Governor To The Control Shafts - Perkins 400 Series User Handbook Manual

EVERY 250 HOURS OR EVERY 6 MONTHS
WARNING
PIECE MAY RESULT IN ENGINE
DAMAGE. ALWAYS CHECK THAT THE
PARTS FIT TOGETHER AND MOVE
FREELY, BEFORE ASSEMBLY.
E.g. to adjust valves and bridge pieces on
No. A1 cylinder set No. A6 cylinder valves
rocking for the 4012 engine and No. A8 for
the 4016 engine.
RESETTING THE VALVE CLEARANCES
WITH ENGINE COLD
WARNING
OTHER MEANS OF STARTING ENGINE.
With both bridge pieces equalised, check
and adjust the valve clearance using a 0.4
mm (0.016") feeler gauge for both the
exhaust and inlet valve set between each
rocker and bridge piece Fig. 53. If required
screw the adjuster until the rocker is bearing
lightly on the feeler gauge. Tighten the lock
nut without moving the adjuster.
Torque Settings page
gauge should be a slide fit between the
rocker and bridge piece, thereby giving the
correct clearance. Refit the rocker cover
with a new gasket.
For further instructions on maintenance
please refer to the Maintenance Section of
the Workshop Manual.
LINKAGE FROM THE GOVERNOR TO
THE CONTROL SHAFTS
Check the freedom of operation of these
important linkages, which are vital to the
proper running of the engine.
4012/16 Diesel, February 1997
FAILURE TO
EQUALISE A BRIDGE
DISCONNECT THE
BATTERIES AND ALL
(See
16). The feeler
MAINTENANCE SCHEDULE & CHECKLISTS
Fig. 52
Fig. 53
58