New Holland 40 Series Repair Manual page 36

_ _ _ _ _ _ _ _ _ _ ,.. PART 1 - ENGINE SYSTEMS - - - - - - - - - - -
Installation
Alignment of Timing Gears
1. Camshaft Gear
2. Crankshaft Gear
3. Camshaft Idler Gear
4. Injection Pump Drive Gear
1. Position piston No.1 at Top Dead Centre,
install the spacer, key and camshaft gear
and tighten to 51 lbf ft (69N m) 7.0 kgf m,
Figure 28.
2. Install the camshaft idler gear to the
block, align timing marks and torque to
175 lbf ft (237N m) 24kgf m, Figure 28.
29
DPS Pump Gear to Camshaft Drive Gear
1. Pump Drive Gear 3. Timing Mark
2. Camshaft Idler
3. With piston No.1 at Top Dead Centre, as-
semble fuel injection pump with a new
seal and align mark on pump flange to
0° timing mark on the front plate. Torque
bolts to 18 lbf ft (22Nm) 2.2 kgf m. In-
stall pump gear with timing marks aligned
to the idler gear, and torque to
58 lbf ft (78N m) 7.8 kgf m, Figure 29.
18
NOTE: Fuel pump (injection} timing is set at
1 0., before Top Dead Centre, when the pis-
ton face to cylinder block height is:-
0.043 in (1.1mm) for 4.4 in (112mm) stroke.
0.050 in (1.3mm} tor 5.0 in (127mm) stroke.
4. The front oil seal should be renewed
every time the front cover is removed.
Drive out the old seal using a punch tak-
ing care not to damage the front cover.
Front Cover Oil Seal Installation
1. Front Cover
2. StepTool No 630-16 or TB?T-6019-A
5. Coat a new seal in a suitable lubricant and
drive the seal into the rear of the front
cover using Tool No. 630-16 as in
Figure 30. Alternatively, use Tool No.
T87T -6019-A and drive the seal into po-
sition from the front of the cover.
6. Position gasket on the front cover plate.
7. Install the front cover ensuring alignment
with dowel pins and tighten the bolts to:-
5/16 in-18 UNC bolts tighten to 13-18 lbf ft
(18-24N m) 1.8-2.5 kgf m.
3/8 in-16 UNC bolts tighten to 25-30 lbf ft
(34-41 N m) 3.4-4.1 kgf m.
8. Lubricate the crankshaft, fit a new 'O' ring
and slide the pulley spacer over the key.
Place pulley onto the crankshaft and push
home, tightening the securing bolt to
210 lbf ft (284N m) 29kgf m.
9. Apply sealer D, or J to the front and rear
housing joints, fitting a new gasket to the
oil pan, and torque the bolts to
28 lbf ft (38N m) 3.9 kgf m.
10. Refill the fluid levels to the correct specifi-
cation and quantities as defined in
"SPECIFICATIONS", install radiator and
front axle, refer to "SEPARATING THE
UNIT"