Idle adjusting screw
I
/
Accelerator lever
Maximum adjusting screw
I
Fuel pipe No.1
I
(2) Check the idling speed.
Standard: See the repair manual for each model
4. Adjust the idling speed.
(1) Loosen the lock nut and turn the adjusting screw for
adjustment.
(2) Tighten the lock nut and recheck the idling speed.
MAXIMUM ENGINE SPEED INSPECTION AND
ADJUSTMENT
1. Warm up the engine.
Standard: coolant temperature 75 to 85
OC
(167 to 185
OF)
2.
Attach the tachometer.
3.
Check the no-load static maximum speed.
(1) With the engine stationary, depress the accelerator
pedal fully and make sure that the adjusting lever is
touching the maximum adjusting screw.
(2) Start the engine, depress the accelerator pedal fully
and check the engine speed (no-load static maximum
speed).
Standard: See the repair manual for each model
4.
Adjust the no-load static maximum speed.
Unseal the maximum adjusting screw and turn it for
adjustment.
5.
Check the maximum speed while there is a load.
(1) With the engine running at the maximum speed,
operate the loading levers and measure the engine
speed at full relief. Measure the engine speed drop
(relief down).
Engine speed drop at full relief:200 rpm
(2) Seal the set screw.
INJECTION TIMING INSPECTION AND
ADJUSTMENT
1. Set cylinder No.1 to the TDC. (See P.2-44)
2. Disconnect the fuel pipe No.1 at the pump side.
3.
Remove the bolt at the rear end of the injection pump.
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