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Safety - Section 20
Page 20-10
BEFORE PERFORMING MAINTENANCE
Stopping The Engine
• Before performing inspections or maintenance,
stop the truck on firm flat ground, lower the dump
body, move the directional control lever to PARK,
and stop the engine.
• If the engine must be run during service, such as
when cleaning the radiator, the directional control
lever must be in PARK. Always perform this work
with two people. One person must sit in the
operator's seat to stop the engine if necessary.
During these situations, never move any controls
that are not related to the task at hand.
• When servicing the truck, do not to touch any
moving parts. Never wear loose clothing or
jewelry.
• Put wheel blocks under the wheels to prevent
truck movement.
• When performing service with the dump body
raised, place the dump lever in the HOLD
position and apply the lock (if equipped). Install
the body-up safety pins or cable securely.
Warning Tag
Starting the engine or operating the controls while
other personnel are performing maintenance on the
truck can lead to serious injury and/or death. Always
attach the warning tag to the control lever in the
operator's cab to alert others that you are working on
the truck. Attach additional warning tags around the
truck, if necessary.
These tags are available from your Komatsu
distributor. Warning tag part number: 09963-03001
Proper Tools
Only use tools that are suited to the task. Using
damaged, low quality, faulty or makeshift tools could
cause personal injury.
Securing The Dump Body
To avoid serious personal injury or death, the
body retention sling must be installed whenever
personnel are required to perform maintenance
on the truck while the dump body in the raised
position.
The Komatsu body-up safety sling can only be
used with a Komatsu body. Non-OEM body may
not accommodate the Komatsu body-up safety
sling. The end user must ensure that a proper
cable/sling is used.
1. Raise the body to its maximum height.
2. Install two shackles (2, Figure 20-1) and body
retention sling (3) between rear body ear (1)
and the axle housing.
3. Secure the shackle pins with cotter pins.
4. Move the hoist lever to the FLOAT position to
slowly lower the body until the sling is
supporting the full weight of the body. Then
move the hoist lever to the HOLD position.
5. After service work is completed, reverse the
installation steps to remove the sling.
FIGURE 20-1. BODY RETENTION SLING
INSTALLATION
1. Rear Body Ear
2. Shackle & Pin
7/11 OM2042
3. Body Retention
Sling
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