Stopping the engine, Warm up & operational checks – Gradall 534B (9020-7317) Service Manual User Manual

Page 14

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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.

When engine warms to operating range, check
the following items:

WARM UP & OPERATIONAL CHECKS

(To be performed at beginning of each work shift)

Complete all required maintenance before operating unit

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 Mico brake
lock.

*1.

*2.

3.

4.

Continued operation with hydraulics fluid
by-passing the filter (yellow flag
showing) can cause severe damage to
hydraulic system components.

cylinder walls and dilute lubricant in crankcase.

To stop engine, allow engine to run at idle for a few
minutes and then turn key counterclockwise to stop
position. Be sure to remove key from ignition switch
before leaving cab.

5.

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

Hydraulic Filter Condition Indicator - observe
torque converter temperature gage after start-
ing 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, 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).

6.

7.

8.

9.

10

8

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