Komatsu F30791, Shop Manual

Page: 150 / 298

CONTROL AND ADJUSTMENT OF THE STROKE OF THE
TRAVEL LEVER
20-34
TESTING AND ADJUSTMENTS
CONTROL AND ADJUSTMENT OF THE STROKE
OF THE TRAVEL LEVER
H Test conditions:
.
Engine: switched off.
. Working equipment: resting on the ground.
1 - Remove the cabfloor (1) to gain access to the lever
stroke lock-screws.
2 - Loosen the nuts (2) and unscrew the lock-screws (3)
by a few turns.
3 - Loosen the nuts (4) and tighten the lock-screws (5) by
a few turns.
4 - Pull one of the levers (6) towards the operator's seat.
Keep this position and tighten the corresponding
lock-screw (3) until it touches the lever. Tighten the
screw (3) by another half turn.
5 - Keeping the position of the lever (4), tighten the nut
(2).
6 - Repeat the same operations for the other direction
and for the other lever.
Before starting the engine, check that the levers
and the valve block spools return to their neutral
position.
PC20R-8 PC27R-8
RKPA2220
1
RKPA3280
6
4
3
2
5