Gradall 534B (9103-1390) Service Manual - Manual (Page 22)

Stopping the Engine
Operate engine at idle speed for a few minutes
before turning it off.
This allows engine coolant
and lubricating oil to carry excessive heat away
from critical engine areas.
Do not “gun” engine before shut down; this
practice causes raw fuel to remove oil film from
The safety efficiency and service life of your unit
will be increased by performing the operational
checks listed below. Items preceded by an asterisk
(*) are optional and may not be furnished on your
machine.
Check items during warm-up period.
cylinder walls and dilute lubricant in crankcase.
To stop the engine, allow engine to run at idle for a
few minutes, this is to allow the turbo components
to cool. Turn key counter clockwise to stop position.
Be sure to remove key from ignition switch before
leaving cab.
Forward and reverse travel in all gears
“Inching” travel - should be smooth through
full pedal travel
Horn and back-up alarm
All boom and attachment functions - full stroke
in both directions
Hydraulic Filter Condition Indicator - observe
torque converter temperature gage after starting
normal operation. When needle has been in
operating range for an hour or so, stop handler in
a safe area and set parking brake. With engine
running at full RPM check hydraulic filter
condition indicator. When yellow flag fills
indicator window filter is clogged and hydraulic
oil is bypassing filter. Filter must be changed
before reaching bypass condition (change before
yellow flag reaches midpoint of window).
WARM UP & OPERATIONAL CHECKS
(To be performed at beginning of each work shift)
Complete all required maintenance before operating unit
When engine warms to operating range, check
the following items:
Heater defroster and windshield wiper
Operating lights and rotating beacon
Low brake pressure light - should go out with
engine running above idle
Ammeter - should show low charging rate after
charging system has replaced starting drain
Service brake, parking brake and parking brake
lock.
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4.
5.
6.
7.
8.
9
10.
Continued operation with hydraulic fluid
by-passing the filter (yellow flag
showing) can cause severe damage to
hydraulic system components.
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*