Komatsu Utility PC12R-8 MISTRAL, Shop Manual, Page: 165 / 324

CONTROL AND ADJUSTMENT OF THE ACCELERATOR STROKE
20-31
TESTING AND ADJUSTMENTS CONTROL AND ADJUSTMENT OF THE ACCELERATOR STROKE
H Test conditions:
.
Engine: Switched off, but at working temperature.
. Working equipment: resting on the ground
1 - Remove the top hood (1).
2 - Push the accelerator lever (2) to the end of its stroke
in "minimum" position, until it rests on the screw (3).
3 - Check that the lever (4) on the cover of the injection
pump governor touches the "minimum" adjustment
screw.
4 - Eliminate the clearances between the sheathing (5)
and the belt-stretcher (6).
H Check carefully that the positions of the two levers
remain fixed.
5 - Loosen the nut (7) and loosen the screw (8) by several
turns.
6 - Start the engine and accelerate up to high idling
speed, using the tachometer C1 or C2 to check.
H If using the stroboscopic tachometer C2 , make a
distinct mark on the engine pulley to facilitate rea-
ding.
H Max. speed: PC12R: 2600 w 50 rpm
PC15R: 2775 w 50 rpm
7 - Keeping the high idling position, tighten the screw (8)
until it rests against the lever (2). Secure the position
of the screw with the nut (7).
8 - Make a final check of the MIN and MAX. engine
speeds.
PC12R-8 PC15R-8
RKPA0100
1
RKPB6041
7
8
3
2
RKPA0572
4
5
6
RKPA2020
C
1