New Holland 40 Series Repair Manual page 34

- - - - - - - - - - PART 1 -ENGINE S Y S T E M S - - - - - - - - - -
22
R1 - 20
fgj
Setting Valve Lash
1. Adjuster Screw 3. Valve Stem
2. Rocker Arm 4. Feeler Gauge
3. Adjust valve lash setting with each piston
in turn at Top Dead Centre and rockers
free to move, Figure 22.
Intake Valve Lash:
0.014--0.018 in (0.36--0.46mm).
Exhaust Valve Lash:
0.017--0.021 in (0.43--0.53mm).
NOTE: Valve lash is to be set only when the
engine is cold.
4. Install the injectors with new seat wash-
ers, cork seals and torque to 17 lbf ft
(23N m) 2.3 kgf m, Figure 6.
5. Install the injector lines and leak off pipes
with new washers and torque the leak off
banjo bolts to 8 lbf ft (1 ON m) 1.1 kgf m.
NOTE: Hold the leak off plastic tubing when
tightening to prevent the pipes pivoting during
torque up.
6. Exhaust manifold bolts are to be refitted
and tightened to a torque of 28 lbf ft
(38N m) 3.8 kgf m.
7. Intake manifold bolts are to be refitted and
tightened to a torque of 28 lbf ft (38N m)
3.8 kgf m.
16
ENGINE FRONT COVER AND TIMING
GEAR REMOVAL
Crankshaft Pulley Removal
1. Shaft Protector 3. Puller
2. Bolt 4. Crankshaft Pulley
NOTE: Timing cover and gears can only be
serviced after removing the front support as-
sembly, refer to PART 10 "SE PARA TING
THE UNIT".
1. Remove the fan belt and tensioner and
withdraw the bolt and washer from the
crankshaft pulley.
2. Using puller No 518 or FT 9539 and shaft
protector No 625-A or 9212, remove pul-
ley, spacer and 'O' ring from the shaft,
Figure 23.
3. Disconnect the hydraulic auxiliary pump
tubes where fitted, draining the oil into a
suitable container and plug all ports to
prevent dirt ingress.
4. Drain the engine oil and remove the oil
pan.
24
R1-21A
Front Cover Retaining Bolt Sequence