TM10-3930-660-34 16-16.  BOOM EXTEND CYLINDER - REPLACE/REPAIR (Cont’d) c. Install two assembled counterbalance valves (27 and 28) in cylinder tube (44) as noted during disassembly. INSTALLATION NOTE Remove caps and plugs as hoses are installed.  Wipe all sealing surfaces on valve and hoses clean and dry.  Apply film of clean hydraulic oil to all seals as they are installed. 1.  INSTALL PARTS (5-8 AND 15-26). NOTE Apply anti-seize compound to shaft (20) as installed. a. Install shaft (20), two snap rings (19) and extend cylinder anchor (17). b. Install wear pad (26) and two socket head capscrews (25). c. Install two buckling braces (23 and 24), two hex head capscrews (21) and two nuts (22). d. Use a sling and hoist to install extend cylinder (18) at back of boom. e. Have an assistant guide extend cylinder (18) and slide it into boom. NOTE Apply anti-seize compound to shaft (6) as installed. f. Install two spacers (8), one spacer (7), shaft (6) and snap ring (5). g. Place wood blocks underneath boom extend cylinder and inner boom. 16-105