UNDERCARRIAGE AR 2061495 - Caterpillar

Illustration 15 g06280386
(1A) 493-6177 Swingout Ladder Latch Gp
(2A) 379-3820 Ladder As
(3A) 479-5523 Support As
(4A) 376-0324 Hinge As
(A) 6V-8197 Bolt
(B) 8T-4184 Bolt
(C) 8T-4183 Bolt
(D) 106-4175 Bolt
(E) 287-5701 Bolt
(F) 8T-4194 Bolt
Illustration 16 g06280396
Some parts have been removed from this Illustration for clarity.
Make sure that the bolts are loose. Refer to Illustrations 15 and 16.
4 bolts (A) (both sides) on ladder latch (1A)
4 bolts (F) (both sides) on ladder latch (1A)
4 bolts (D) on support assembly (3A)
3 bolts (E) on support assembly (3A)
3 bolts (B) on hinge assembly (4A)
7 bolts (C) on hinge assembly (4A)Note: The letter designations from the latch adjustment procedure differ from the reference parts during the installation procedure.
Illustration 17 g06271476
(L2) Ladder latch locking pins
With the bolts loose, raise the ladder. As locking pins (L2) engage the ladder, the latch should align to the ladder. Ladder latch locking pins (L2) should be fully engaged (top and bottom) before advancing to the next Step. If locking pins (L2) are not fully engaged, repeat this Step, making sure that the components are loose as per the previous Step. Refer to Illustration 17.Note: Grease pins (L2) after assembly to prevent wear on the pins and the mating holes.
Illustration 18 g06280404
(1A) 493-6177 Swingout Ladder Latch Gp
(2A) 379-3820 Ladder As
(3A) 479-5523 Support As
(4A) 376-0324 Hinge As
(A) 6V-8197 Bolt
(B) 8T-4184 Bolt
(C) 8T-4183 Bolt
(D) 106-4175 Bolt
(E) 287-5701 Bolt
(F) 8T-4194 Bolt
Illustration 19 g06280408
Some parts have been removed from this Illustration for clarity.
Tighten the bolts in the following sequence: Refer to Illustrations 18 and 19.
3 bolts (E) on support assembly (3A)
4 bolts (D) on support assembly (3A)
4 bolts (F) (both sides) on ladder latch (1A)
4 bolts (A) (both sides) on ladder latch (1A)
3 bolts (B) on hinge assembly (4A)
7 bolts (C) on hinge assembly (4A)Note: The letter designations from the latch adjustment procedure differ from the reference parts during the installation procedure.
Illustration 20 g06280415
(1A) 493-6177 Swingout Ladder Latch Gp
(16) 488-2828 Shim
(17) 488-2465 Shim
If ladder latch (1A) needs to be tilted, add shim packs (16) and (17) as needed. Refer to Illustration 20. Repeat the tightening sequence in the previous Step.
Illustration 21 g06271574
(5A) 381-3633 Bracket As
(6A) 8T-4183 Bolt
(7A) 5P-1076 Hard Washer
After adjusting ladder latch (1A), lower the ladder. Adjust bracket assembly (5A) as needed. Tighten 2 bolts (6A). Refer to Illustration 21.