Timing Case And Drive Assembly; Tamper Proof Screws - Perkins 700 Series User Handbook Manual

Section 15

Timing Case and Drive Assembly

Operation:

Tamper proof screws

Recommended torque:
Engine type Nm
-
Service operations:
1. Remove throttle
cable bracket ... ... ... ... ... ... 20.10
To remove and to fit the cap for the maximum fuel
adjustment screw
The tamper proof assembly for the fuel adjustment consists of a:
1 Sealing washer
2 Lock nut
3 Retainer ring
4 Rubber plug
5 Cap
Use a suitable hacksaw to cut through the cap (5) and the nut (2)
at the groove (A). This will give access to the adjustment screw.
Remove the lock nut and the sealing washer (1).
Fit a new sealing washer and a new lock nut from the service kit.
Make the adjustment and tighten the lock nut.
Fit the new retainer ring to the lock nut.
Fit the rubber plug (4) into the end of the lock nut.
Put the cap onto the lock nut and carefully press the cap on by
hand. Ensure that the cap is held by the retainer ring.
The maximum speed adjustment has a plastic cap that is pressed
by hand onto the lock nut of the adjustment screw. This cap can
be removed with a suitable lever to make the adjustment.
The only permitted adjustment to the maximum speed is to correct
the speed, in accordance with the speed shown on the data plate
of the fuel injection pump.
A new cap (in red colour) will be supplied only to approved
personnel and must not be supplied to end users.
To remove and to fit the cap for the maximum speed
adjustment
Remove the plastic cap (B) from the maximum speed adjustment
with a suitable lever.
Make the adjustment and fit a new cap, part number 2648A119.
The cap is pressed onto the lock nut, by hand.
05/99
Printed in England
© Propriety information of Perkins Engines Company Limited, all rights reserved
Special notes:
lbf ft kgf m A requirement of emissions legislation, is that access to adjustments that
affect the engine's exhaust emissions is limited to personnel approved by
Perkins Engines Company Limited.
The adjustments affected, are the fuel adjustment and the maximum speed
adjustment. A warranty claim will not be acceptable, if it can be seen that an
adjustment has been made by personnel not approved by Perkins.
4
5
3
Tamper proof
cap
Tamper proof cap
B
700 Series
15.01
2
A
1
77