TM 5-2420-232-10
0046
HAMMER DRILL TROUBLESHOOTING PROCEDURES
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Low Rotation Torque
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Step 1. Mechanical binding during drilling.
Operate perpendicular to work surface.
Step 2. If drill still rotates slowly, notify Field Maintenance.
POST DRIVER TROUBLESHOOTING PROCEDURES
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Driver Does Not Run
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Step 1. Check if couplers or hoses are blocked.
Remove restriction.
Step 2. Check if hoses are crimped or crushed.
If found, notify Field Maintenance.
Step 3. If tool is still inoperative, notify Field Maintenance.
Driver Does Not Hit Effectively
00046
Step 1. Check if couplers or hoses are blocked.
Remove restriction.
Step 2. Check if hoses are crimped or crushed.
If found, notify Field Maintenance.
Step 3. If tool is still not hitting effectively, notify Field Maintenance.
Driver Operates Slow
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Step 1. Check if couplers or hoses are blocked.
Remove restriction.
Step 2. Check if hoses are crimped or crushed.
If found, notify Field Maintenance.
Step 3. Check if hydraulic fluid is cold.
Allow fluid to warm to operating temperature. Activate tool intermittently to reduce warming time (WP 0006).
Step 4. If tool is still operating slow, notify Field Maintenance.
Driver Gets Hot
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Notify Field Maintenance.
Oil Leakage On Post
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Notify Field Maintenance.