Fuel Injection Timing - Check - Perkins 1104D NH1 Systems Operation Testing And Adjusting

RENR7967
1. Remove the valve mechanism cover, the glow
plugs, and the cover for the front housing. Refer to
Disassembly and Assembly Manual, "Front Cover
- Remove and Install".
Note: The crankshaft timing pin can be inserted with
the crankshaft pulley still on the engine.
2. Use tooling (A) to rotate the crankshaft in the
normal direction of the engine until the inlet
valve of the No. 4 cylinder has just opened and
the exhaust valve of the No. 4 cylinder has not
completely closed.
Note: Use the alternative Tooling (D) and Tooling (E)
if the access to the front of the engine is restricted.
3. Carefully rotate the crankshaft in the normal
direction of the engine in order to align the hole in
the crankshaft with the hole in the cylinder block
(2) and the timing case. Insert Tooling (B) fully into
the hole in the crankshaft web.
4. Insert Tooling (C) through the hole in the camshaft
gear (1) at the top center position for No. 1 piston.
Note: The camshaft gear can rotate a small amount
when the pin is installed.
5. Remove the timing pins from the camshaft gear
and the crankshaft web.

Fuel Injection Timing - Check

Table 3
Required Tools
Part
Tool Number
Fuel Injection Pump
27610302
A
Timing Tool
i02536614
Part Description Qty
1
Testing and Adjusting Section
NOTICE
Ensure that all adjustments and repairs that are
carried out to the fuel system are performed by
authorised personnel that have the correct train-
ing.
Before begining ANY work on the fuel system, re-
fer to Operation and Maintenance Manual, "Gen-
eral Hazard Information and High Pressure Fuel
Lines" for safety information.
Refer to Testing and Adjusting Manual, "Clean-
liness of Fuel System Components" for detailed
information on the standards of cleanliness that
must be observed during ALL work on the fuel
system.
This procedure must be done before any of the
following reasons:
•
Removal of the fuel injection pump
•
The bolts that hold the fuel injection pump to the
front housing are loosened.
1. Set the number one piston at the top center piston
on the compression stroke. Refer to Testing and
Adjusting, "Finding Top Center Position for the No.
1 Pistion" for the procedure.
2. Carefully remove the fuel injection pump from the
front housing. Refer to Disassembly and Assembly
Manual, "Fuel Injection Pump - Remove" for the
correct procedure.
Illustration 45
3. To check the fuel injection pump timing, follow
Steps 3.a and 3.b.
47
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