CARTRIDGE GP -A 10R1124 - Caterpillar

Assembly Of Weld Fixtures
Use only the bolts and jam nuts shown below to assemble the weld fixtures. Longer bolts, washers or thicker nuts will cause the box to rest on the nuts rather than the sides of the box. This will cause an electrical arc and weld the fixture to the bed of the welder.
1 For D4 and D5 Tractor size track links, install a 6V7815 Locater (1), a 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole (A) through (P) in three 6V7826 Track Link Weld Fixtures (2); tighten the nuts to 23 7 N m (18 5 lb ft) torque.2 For D6 and D7 Tractor size track links, put four 6V7825 Track Link Weld Fixtures (2) in position with alignment bolts (3) on the right side. Install a 6V7814 Locater (1), 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole B, D, F, H, J, L, N and P; tighten the nuts 7 N m (18 5 lb ft) torque. For D8L Tractor track links, install a 6V7813 Locater (1), 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole A, C, E, G, I, K, M and O; tighten the nuts to 23 7 N m (18 5 lb ft) torque.3 For D8 size tracks with 228.6 mm (9.0") pitch, put four 6V7823 Track Link Weld Fixtures (2) in position with alignment bolts (3) on the right side. Install a 6V7813 Locater (1), 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole B, D, F, H, J, L, N and P. For D9L track links, use four 6V7823 and one 6V7824 Track Link Weld Fixtures and install a 6V7812 Locater, 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole A, C, E, G, I, K, M and O; tighten the nuts to 23 7 N m (18 5 lb ft) torque. On the 6V7824 Weld Fixture, install the 6V7812 Locaters, bolts and nuts in all 48 bolt holes.4 For D9 Tractors with 260.4 mm (10.25") pitch tracks, put four 6V7821 Track Link Weld Fixtures in position with alignment bolts (3) on the right side. Install a 6V7812 Locater, 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole B, D, F, H, J, L, N and P; tighten the nuts to 23 7 N m (18 5 lb ft) torque. For D10 track links, use four 6V7821 and one 6V7812 Track Link Weld Fixtures. Install a 6V7811 Locater (1), 6V7828 Shoulder Bolt and 5B3180 Jam Nut in each hole A, C, E, G, I, K, M and O; tighten the nuts to 23 7 N m (18 5 lb ft) torque. On the 6V7822 Weld Fixture, install the 6V7811 Locaters, the bolts and nuts in all 40 bolt holes. 1 Get the track links ready for welding as shown in the Caterpillar Track Link Rebuilding Procedure, Bulletin No. MP-4 of the Undercarriage Reconditioning Guide. Thoroughly clean all dirt, flux