TM10-3930-660-20 18-17. FORKS   - REPLACE  (Cont’d) Install forks (2) one at a time. a. Attach hoist and sling to fork (2). b. Raise fork (2)  over fork  carriage (3). Lower fork (2) straight into fork  carriage  (3). 2. ALIGN HOLES ON FORKS (2) WITH HOLE AT LEFT-HAND SIDE OF FORK CARRIAGE (3)0 Use care not to damage finish on fork shaft (8) during installation. 3. INSERT FORK SHAFT (8) THROUGH FORK CARRIAGE (3) AND FORK HOLES. a. Support fork shaft (8) with hoist and sling. Align end of shaft (8) with hole on left-hand side of fork carriage  (3). b. Insert fork shaft (8) through fork carriage (3) and fork holes. 4. SECURE FORK SHAFT CAP (7). a. b. Apply Loctite 242 to six socket head screws (6). Secure fork shaft cap (7) with six socket head screws (6). 5. SECURE FORKS (2) TO FORK SIDESHIFT CYLINDERS (5) WITH ATTACHING PINS (4). a. b. c. 18-70 Using hoist and sling, align left-hand fork (2) with left notch in  fork  carriage  (3). Using hoist and sling, position right-hand fork (2) so attaching pin (4) hole in fork is aligned with access hole in fork carriage. Secure forks (2) to fork sideshift cylinders (5) with attaching pins (4). 6. 7. INSTALL NEW COTTER PINS (l). a. Start engine, TM10-3930-660-10. b. Sideshift both forks (2) until they are approximately one foot from sides of fork carriage (3). c. Install new cotter pins (1) to secure attaching pins (4). d. Stop engine, TM10-3930-660-10. INSTALL FORK AUTOLEVELER SWITCH IF RIGHT-HAND FORK (2) WAS REMOVED, PARA.  8-21.