TM-9-2350-261-20-3
CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 3 OF 4
TM-9-2350-261-20-3 - Page 591 of 932
TM 9-2350-261-20-3
REPAIR HULL BY WELDING
0575 00
THIS WORK PACKAGE COVERS:
Safety Precautions (page 0575 00-1).
Aluminum Castings (page 0575 00-2).
Magnesium Castings (page 0575 00-2).
External Fuel Tanks (M981 and M1064 only)(page 0575 00-3).
Plastic Molding Material (page 0575 00-3).
Welding Near Mortar Ring (M1064 Only) (page 0575 00-4).
General Welding Instructions (page 0575 00-4).
MIG Welding Method (page 0575 00-5).
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
Body and Fender Repair Kit (WP 0780 00, Item 41)
Trailer Mounted Welding Shop (WP 0780 00, Item 85)
Materials/Parts
Cleaning compound solvent (WP 0782 00, Item 16)
Personnel Required
Metal Worker 44B10
References
TC 9-237
TM 43-0139
TB 43-0242
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
Battery ground strap disconnected (WP 0294 00)
Personnel heater power cable disconnected (see your
-10)
SAFETY PRECAUTIONS
1.
Wear clothing such as leather or heavy denim. Do not wear clothing with loose pockets, trouser cuffs, or short or
rolled-up sleeves.
2.
Do not expose bare skin to welding arc.
3.
Do not look directly at welding arc unless you are wearing a welding hood.
4.
Wear flash goggles or tinted safety glasses (No. 2) in welding area.
5.
Disconnect power source before changing parts or making equipment repairs.
6.
Do not touch drive mechanism or any part of the electrode.
7.
Make sure welding area has plenty of fresh air without being drafty. Remove all toxic and combustible material.
8.
Make sure all electrical and gas connections are tight.
9.
Do not touch any metal in welding area with bare hands. Aluminum does not change color when hot.
10. Do not weld in the fuel compartment where sealing compound has been applied.
11. Use a welding screen to protect personnel from arc flash.
a.
Disconnect the vehicle power cable from the h eater MS Power C onnector. Disconn ect the
power cable at the
H EATER, n ot from the con tro l panel
(WP 0619 00 or WP 0621 00).
b.
Welding ground point must be located as close as possible to the welding area. If heater is located between the area
being welded and w elding grou nd po int, REMOV E T HE HEATER
(WP 0619 00 or WP 0621 00).
057500-1
12. When electric arc, or resistance welding on a carrier with the A20 (30/60k BTU) heater installed, the following action
must be taken to avoid electrical damage to the circuit boards.
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