28 EXCAVATOR OPERATION
EXCAVATOR OPERATION
RUNNING-IN OF THE NEW EXCAVATOR
The operation and care of the new excavator influences
its life span. Your new excavator has been carefully
checked and tested before leaving the factory. In spite of
this, all movable components must run-in during the first
50 work hours. Do not work with full rpm's and full loads
during this period. It is very important to run-in your
excavator properly in order to achieve its full performance
and longevity. During the running-in, the following points
should be adhered to in all cases.
BDo not Work with Full Engine Rpm's or
Full Loads during the First 50 Working
Hours
A Let the engine warm up sufficiently in the cold season.
A Do not let the engine rev-up more than necessary.
BOil Change in the Run-in Stage
The lubrication oil plays a specific and important role
during the run-in phase of the excavator. The numerous
movable parts are not yet run-in, so many fine metal
particles are generated, which can cause damage and
shorten the life of many components. Pay attention to the
oil-change intervals and complete them sooner than later.
See "REGULAR CHECKS AND MAINTENANCE WORK"
section for more details on the oil-change intervals.
BAdjusting the Operator's Seat
To avoid personal injury or death:
A Make sure that the seat is completely secured
after each adjustment.
C Tilt adjustment
Pull the backrest tilt adjust lever in the direction of [A]
and move the backrest to the desired angle.
C Travel adjustment
Pull the travel adjust lever in the direction of [B] and
slide the seat backward or forward, as required. The
seat will lock in position when the lever is released.
C Weight adjustment
Turn the weight adjust lever to achieve the optimum
suspension setting.
C Height adjustment
The seat height can be adjusted to three positions. To
adjust the seat height, slowly raise the seat until it
automatically engages in the next stop.
When the seat is raised over the highest stop, it will be
lowered automatically to the lowest position again.
(1) Backrest tilt adjust lever
(2) Travel adjust lever
(3) Weight adjust lever
(A) "UNLOCK"
(B) "UNLOCK"
(C) "TO INCREASE TENSION"
(D) "TO DECREASE TENSION"
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