TM 5-5420-234-14&P
5-5.
BAP GENERAL WELDING MAINTENANCE (continued).
Weld Joint
Joint Materials
BAP Main Frame Structure
1.
A-Frame to Main Rails
ASTM A500, GR B to ASTM A572, GR 50 to ASTM
A656, GR 80, TY7
2.
Winch Frame Lower Lock Pin to A-Frame
ASTM A331, GR 41L40 to ASTM A500, GR B
3.
Winch Frame Upper Pin Saddle Plate to A-Frame
ASTM A572, GR 5 to ASTM A500, GR B
4.
Front Lock Outrigger Tubes to Main Rails
ASTM A500, GR B to ASTM A656, GR 80, TY7
5.
Front Roller Outrigger Tubes to Both Main Rails
ASTM A500, GR B to ASTM A656, GR 80, TY7
6.
Front Main Rails to Rear Main Rails
ASTM A656, GR 80, TY7 to ASTM A588, GR A or
to ASTM A656, GR 80, TY7
7.
Rear Holding Locks
ASTM A352, GR LCB to ASTM A656, GR 80, TY7
8.
Center Roller Crossmember to Main Rails
ASTM A656, GR 80, TY7 to ASTM A588, GR A or
to ASTM A656, GR 80, TY7
9.
X-Brace to X-Brace and to Main Rails
ASTM A500, GR B to ASTM A500, GR B, or to
ASTM A588, GR A or to ASTM A656, GR 80, TY7
10.
Rear Beam Outrigger Tubes to Main Rails
ASTM A500, GR B to ASTM A656, GR 80, TY7
11.
Rear Roller Axle to Beam End Plate
ASTM A322, GR 8620 to ASTM A572, GR 50
BAP Winch Frame Structure
1.
Hook Bar to Plates
ASTM A322, GR 8620 to ASTM A656, GR 80, TY7
2.
Bottom Lock Beam to Side Tubes
ASTM A656, GR 80, TY7 to ASTM A500, GR B
3.
Bottom Lock Support and Guide Plates to Beam
ASTM A572, GR 50 to ASTM A656, GR 80, TY7
4.
Bottom Locking Tabs to Pins
ASTM A572, GR 50, to ASTM A193, GR B7
5.
Winch Mounting Plate to Support Plate
ASTM A656, GR 80, TY7 to ASTM A572, GR 50
6.
Sheave Housing Side Plates to Cap Plate
ASTM A572, GR 50 to ASTM A572, GR 50
7.
Sheave Housing Outside Gusset Plates to Base Plate
ASTM A572, GR 50 to ASTM A572, GR 50
