OM2041 9/11 Safety - Section 20 Page 20-11 BEFORE PERFORMING MAINTENANCE Securing The Dump Body Stopping The Engine Before Service 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. 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. Wait two minutes after the engine has stopped. If no warning lights illuminate, then turn the battery disconnect switches to the OFF position. Verify that the disconnects are functioning.
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. 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. 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 axle housing.
When servicing the truck, do not to touch any moving parts. Never wear loose clothing or jewelry. 3. Secure the shackle pins with cotter pins. Put wheel blocks under the wheels to prevent truck movement. 4. Move the hoist lever to the FLOAT position to slowly lower the body until the calbe is supporting the full weight of the body. Then move the hoist lever to the HOLD position. When performing service with the dump body raised, always place the dump lever in the HOLD position, and apply the lock (if equipped). Install the body-up safety sling securely. 5. After service work is completed, reverse the installation steps to remove the sling.
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 Komtsu 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. FIGURE 20-1. BODY RETENTION SLING INSTALLATION 1. Rear Body Ear 2. Shackle & Pin 3. Body Retention Sling