TM-9-2350-311-34-1
HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS: HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-1 - Page 97 of 352
TM 9-2350-311-34-1
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NOTE
If damaged area is near opening in tank, apply backing plate with masking tape and
release film, rather than using cloth wire.
Cut and trim piece of wire screen slightly larger than opening. If opening is less than 1 in. (25.4 mm) across at
greatest point, wire screen is not required.
Cut glass cloth patches to size and shape. Cut first patch 0.5 in. (13 mm) larger until sufficient cloth has been
built up to make patched area level with surrounding tank wall (usually six or seven patches).
Mix resin and hardener as directed on can label.
Thoroughly saturate scarfed area and wire screen with cement and apply screen over opening.
Remove about 20% of cement from mixing container. Fold in small amount of regenerated silica to obtain
putty-like consistency. Use this mixture to apply first two layers of glass cloth.
Thoroughly saturate smallest glass cloth with putty-like cement and place it over screen.
NOTE
Apply release film and work out air pockets after each lamination. Work from center of
patch outward.
Place piece of release film on patch and work out air pockets from center of patch outward.
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