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Engine Maintenance
106
9. Slowly turn the engine in the normal direction
of rotation until you see the fuel rise in the end
of the delivery valve holder. Stop as soon as
you see the fuel rise.
10. Check position of the timing marks. The 16
degrees BTDC timing mark on the flywheel
should be aligned with the timing mark on the
starter mounting plate. Repeat steps 7 through
10 to recheck the timing.
11. If the timing is off by more than 1 degree (0.1
in. [2.5 mm]), loosen the mounting nuts on the
studs that fasten the injection pump to the
engine and rotate the injection pump to change
the timing.
a. Pull the top of the injection pump away
from the engine to advance the timing.
b. Push the top of the injection pump toward
the engine to retard the timing.
12. Tighten the injection pump mounting nuts and
recheck the timing. Repeat steps 7 through 12
until the timing is correct.
13. Install the delivery valve spring for the
number one cylinder by removing the delivery
valve holder, installing the delivery valve
spring, and then reinstalling the delivery valve
holder.
14. Install the injection line for the number one
cylinder, the cylinder head cover, tighten the
other injection lines, and reconnect the 8S
wire to the starter solenoid when finished with
the procedure.
Injection Pump Removal and
Installation
Injection Pump Removal
1. Note the alignment of the index marks on the
injection pump and the gear case. If they are
not marked, mark them so the injection pump
can be returned to the same position when it is
reinstalled.
1.
Delivery Valve Holder
Figure 187: Injection Pump
1.
16 Degrees BTDC Mark (Correct Timing Mark)
2.
20 Degrees BTDC
3.
15 Degrees BTDC
4.
Index Timing Mark on Starter Mounting Plate
Figure 188: Correct Injection Timing Mark
Alignment
1
1
4
3
2
Summary of Contents for T-1080S
Page 102: ...Engine Maintenance 101 Figure 182 Fuel and Oil System Components ...
Page 182: ...Index 181 Unit Options 23 W wiring 79 wiring diagrams index 182 ...
Page 184: ...183 Schematic Diagram Page 1 of 2 RELEASED 06 Jul 2015 13 52 47 GMT 7 ...
Page 185: ...184 Schematic Diagram Page 2 of 2 RELEASED 06 Jul 2015 13 52 47 GMT 7 ...
Page 186: ...185 Wiring Diagram Page 1 of 5 ...
Page 187: ...186 Wiring Diagram Page 2 of 5 RELEASED 06 Jul 2015 13 52 47 GMT ...
Page 188: ...187 Wiring Diagram Page 3 of 5 ...
Page 189: ...188 Wiring Diagram Page 4 of 5 RELEASED 06 Jul 2015 13 52 47 GMT ...
Page 190: ...189 Wiring Diagram Page 5 of 5 ...