16-16. BOOM EXTEND CYLINDER - REPLACE/REPAIR (Contd)
Install two assembled counterbalance
valves (27 and 28) in cylinder
tube (44) as noted during disassembly.
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).
Apply anti-seize compound to shaft (20)
Install shaft (20), two snap rings
(19) and extend cylinder anchor
Install wear pad (26) and two
socket head capscrews (25).
Install two buckling braces (23
and 24), two hex head capscrews
(21) and two nuts (22).
Use a sling and hoist to install
extend cylinder (18) at back of
Have an assistant guide extend
cylinder (18) and slide it into
Apply anti-seize compound to shaft (6)
Install two spacers (8), one
spacer (7), shaft (6) and snap
Place wood blocks underneath boom
extend cylinder and inner boom.