TM 5-3810-295-34
Table 2-1 Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
32. PERCENT CAPACITY METER READS ZERO WITH BOOM SUPPORTED BY GUYLINES.
Step 1.
Check to see if meter is stuck.
-----
Tap meter face lightly.
Step 2.
Perform in sequence tests 6,7,8,9,10,11,12,16,17,20,21,22,23,24,25,26,29and 30 of table
8-1.
-----
Perform corrective action as indicated in table 8-1.
33. PERCENT CAPACITY METER BELOW ZERO WITH BOOM SUPPORTED BY GUYLINE.
Step 1.
Check to see if meter is stuck.
-----
Tap meter face lightly.
Step 2.
Check meter zero adjustment.
-----
Adjust meter zero with LSTC switch to "OFF."
Step 3.
Check to see if angle tranducer pendulum is locked.
-----
Unlock pendulum.
Step 4.
Check leads A, B, C and D of pre-amplifier for proper wiring.
-----
Correct wiring per figure 8-2.
Step 5.
Perform in sequence tests 6, 7, 8, 9, 10, 11, 12, 16, 17, 20, 21, 22, 23, 24, 25, 27, 29, and
----- 30.
-----
Perform corrective action as indicated in table 8-1.
34. PERCENT CAPACITY METER READS BEYOND 100% WITH BOOM ON GROUND AND GUYLINES SLACK.
Step 1.
Check to see if meter is stuck.
-----
Tap meter face lightly.
Step 2.
Check meter zero with LSTC switch "OFF."
-----
Adjust meter zero.
Step 3.
Check that meter is zero with LSTC switch to "RUN."
-----
Null output as described in paragraph 8-6.
Step 4.
Perform in sequence tests 6, 7, 8, 9, 10, 11, 12, 16, 17, 20, 21, 22, 23, 24, 25, 26, 29, and
----- 30 of table 8-1.
-----
Perform corrective action as indicated in table 8-1.
35. PERCENT CAPACITY METER IS LOW OR HIGH FOR RATED LOADS AT THE RATED RADII.
Step 1.
Check to see if meter is stuck.
-----
Tap on meter face lightly.
Step 2.
Check "Floats/Tires" switch is in correct position and proper program card is installed.
-----
Place "Floats/Tires" switch in the correct position. Install proper program card.
Step 3.
Check zero of meter with boom on the ground and guyline cables slack and LSTC switch
----- "OFF."
-----
Adjust meter zero.
Step 4.
Check zero of meter with LSTC switch to zero check. Meter shall read zero 1%.
-----
Replace Lode Safe T computer.
Step 5.
Check to see if load cell is free in cage assembly.
-----
Install load cell properly.
Step 6.
Check calibration of angle transducer by verifying the readings taken across "S" to "L" pins
----- at 50 as described in paragraph 8-6.
-----
Calibrate angle transducer.
Step 7.
Check to see boom hoist reeving is proper and gantry is in proper position.
-----
Reeve boom hoist as illustrated in TM 5-3810-295-12.
Step 8.
Perform in sequence tests 1 to 31 inclusive of table 8-1.
-----
Perform corrective action as indicated in table 8-1.
Step 9.
Check indication with a known load to proper radius.
-----
Replace load cell.
36. PERCENT CAPACITY METER FLUCTUATES RANDOMLY.
Step 1.
Check for an open shield connection or moisture in cables, connector or pre-amplifier
enclosure.
-----
Repair open shield and dry any moisture found.
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