New Holland 40 Series Repair Manual page 28

----------PART 1
-ENGJNESYSTEMS - - - - - - - - - -
Injector Removal
1. F1,Jel Injector 3. Copper Washer
2. Mo\Jnting Bolts 4. Cork Washer
19. Clean area surrounding the fuel injectors,
hold leak off pipe at each injector and
carefully disconnect, Figure 6.
20. Remove the rocker cover and gasket.
7
Push Rod Installation
21. Check push rods for concentricity, by ro-
tating the rods with the valve closed and
identify any bent rods, Figure 7.
ROCKER SHAFT DISASSEMBLY
NOTE: Leave bolts in the rocker shaft sup-
ports during removal as they retain the sup-
port on the shaft.
1. Remove the cylinder head bolts which
pass through the rocker shaft supports,
Figure 8.
10
'8
R1-8Q
Rocker Shaft Assembly
1. Spring 4. Rocker Arm
2. Shaft SupQO.rt 5. Shaft
3. Retaining Bolt 6. Spacer
2. Loosen the rocker shaft retaining bolts,
which also serve as head bolts evenly
and alternately and remove the rocker
shaft assembly.
3. Remove push rods in turn and place in a
numbered rack to maintain the same po-
sition for re-assembly.
4. Remove remaining cylinder head bolts
working inwards from the end of the cylin-
der head, alternately to the centre of the
cylinder head.
CYLINDER HEAD DISASSEMBLY
Valve Removal
1. Valve Spring 2. Retainer Locks
Compressor 3. Valve Springs
1 . Using a valve spring compressor remove
the retainer locks, springs, seals and rota-
tors and place in a numbered rack,
Figure 9.
2. Clean the cylinder head and remove car-
bon deposits from around the valve
heads.