SECTION B
If any fluid is injected into the skin, obtain medical
attention immediately or gangrene may result.
IMPORTANT :
Before loosening or disconnecting any
part of the fuel injection system, thoroughly clean the
area to be worked on.
Loosen the injector pipe connections at the injection
pump end. Disconnect the injector pipes, Figures 48,
and the leak-off line at the injectors, discarding the
copper washers on either side of the leak-off port banjo
fittings.
Withdraw the injectors, and also the injector mounting
flange (wherever fitted) Figure 49, after removing the
retaining bolts. Extract the copper sealing washer from
each injector bore in the cylinder head together with the
cork dust washer on each injector. Discard the copper
and cork washers.
If a space set of freshly calibrated injectors is not
immediately available, cover the ends of the pipes and
injector inlet ports and leak-off ports to prevent the entry
of dirt. Get your injectors services by an Authorized
Dealer or injector specialist.
Using new sealing and dust washers, (if installed
originally) install the freshly calibrated injectors and
tighten the retaining bolts evently to 17 lbf. ft. (22 Nm).
Reconnect the leak-off line using new washers on either
side of the banjo fittings and tighten the retaining bolts
to 6 lbf. ft. (8Nm). Reconnect the pump to injector pipes
and tighten the connections to 18 lbf. ft. (24 Nm).
After replying the injectors and pipes, bleed the system
(See Operation 44).
48. Injection pipe connection
1. Copper washers 2. Leak-off line
3. Injector pipes
4. Injector pipe connections
NOTE :
Modification or adjustment of fuel injection
equipment outside specification may invalidate the
warranty.
EVERY 2500 HOURS carry out the preceding
checks plus the following:
Operation 52 - Fuel Injection Pump - Oil
Change the Fuel Injection Pump oil after every 2500
hours. it is recommended that this service be carried
out by an Authorized Dealer only.
EVERY 3000 HOURS carry out the preceding
checks plus the following :
Operation 53 - Fuel Injectors
Repeat the service as described in Operation 51. If
required, replace the Injectors. Regular maintenance of
the Injectors is not necessary. The Injector Nozzles
shoudl be renewed only if it is found faulty. Some of the
problems that may indicate that new Nozzles are needed
are :
•
Engine difficult to start or will not start.
•
Engine will not develop enough power.
•
Engine misfires or runs erractically.
•
High fuel consumption.
•
Visible black exhaust smoke.
•
Engine knocks or vibrates excessively
49. Injector Removal
1. Injector
2. Mounting flange
3. Retaining bolts
4. Injector Tube
5. Overflow Tube
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