TM 5-2410-241-10
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OPERATION IN EXTREME HEAT CONTINUED
Machine Operation
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1. During very hot weather operation, avoiding continuous high engine RPM will help prevent machine from over-
heating. Alter operating procedures accordingly.
2. Check coolant level in coolant tank at frequent intervals throughout any single work shift (WP 0012).
3. Keep radiator and grille free of bugs, dust, dirt, mud, and other foreign matter. Clean frequently if necessary.
4. Monitor engine coolant temperature gauge. Red range on gauge indicates coolant temperature is above 225F
(107C). If coolant temperature indicator comes on, you may operate at three-fourths workload until indicator
goes off. If indicator remains on longer than ten minutes, notify Field Maintenance.
5. Monitor hydraulic oil temperature gauge. Red range on gauge indicates coolant temperature is above 215F
(102C). If hydraulic oil temperature indicator comes on, you may operate at three-fourths workload until indi-
cator goes off. If indicator remains on longer than ten minutes, notify Field Maintenance.
6. Monitor torque converter oil temperature gauge. Red range on gauge indicates torque converter oil tempera-
ture is above 265F (129C). If torque converter oil temperature indicator comes on, you may operate at three-
fourths workload until indicator goes off. If indicator remains on longer than ten minutes, notify Field Mainte-
nance.
7. Refer to FM 90-3 for additional extreme heat operation information.
Parking Machine
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1. When possible, park machine under cover (WP 0005).
2. Perform all After PMCS procedures (WP 0012).
3. If machine is to be parked for long periods of time, prepare machine for long-term storage (WP 0001).
END OF TASK
OPERATION IN MUD OR ON SOFT SURFACES
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1. Before entering mud or other soft surfaces, check conditions and ensure that area may be entered safely.
Select appropriate engine and ground speeds for conditions.
2. Maintain steady ground speed to keep machine rolling until solid ground is reached. Do not accelerate to point
where tracks spin, if possible.
3. If machine gets stuck, try to pull out slowly. Refer to Recovery and Towing in this work package.
4. Notify Field Maintenance to clean and inspect for proper lubrication.
END OF TASK
OPERATION IN SANDY OR DUSTY AREAS
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Checks
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1. Perform all Before PMCS procedures (WP 0012).
2. Lubricate in accordance with LO 5-2410-241-13.
3. Check radiator often for build-up of sand, dirt, and debris. Clean as required.
Machine Operation
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1. Maintain steady speeds with transmission in lower gears.
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