Toro Groundsmaster 455-D Service Manual page 53

Assembly
1. Check all parts for condition and cleanliness. Oil parts
before reassembly.
2. Secure the injector body in a "V" type injector holder.
3. Install the adjusting shims, spring, push rod, spacer
and injector (Fig. 40, Items 2, 3, 4, 5, 6).
4. Install the injector holder nut (Fig. 28, Item 7) and
tighten by hand.
5. Tighten injector nut to a torque of 10 Nm. Tighten the
nut an additional 22° of rotation.
Installation
NOTE: Each time an injector is removed from the en­
gine, new washers must be installed. Fire ring washer
is installed with convex surface up.
Figure 41
1. Install new fire ring washers (Fig. 58, Item 21), convex
surface facing up.
2. Install new copper washers (Fig. 58, Item 20).
3. Install the injectors and tighten to a torque of 90 Nm
(66 ft-lb).
1. Install new flame arrestor steel washer and copper
gasket.
2. Install injector in cylinder head.
3. Install injection pipe unions on pump and injectors
and tighten by hand.
4. Moderately tighten each union, 25 Nm (18 ft-lb) max.,
on pump and injector. Over-tightening will distort the end
of the injector line.
5. Connect fuel return pipe.
Page 3 - 35 Rev. B
Groundsmaster 455-D Engine