BOOM EXTEND CYLINDER REPLACEMENT - CONTINUED
Do NOT remove hydraulic tank filler cap or disconnect or remove any hydraulic system line or fitting unless
hydraulic system pressure has been relieved. Hydraulic system pressure can be over 5,000 psi (34475 kPa),
even with engine and pump OFF. To relieve pressure, lower all hydraulic attachments to the ground and shut
down engine. Move control levers through all operating positions, then SLOWLY loosen hydraulic tank
filler cap. After maintenance, tighten all connections before applying pressure. Escaping hydraulic fluid
under pressure can penetrate the skin, causing injury or death.
Retract cylinder before removal. Failure to follow this precaution will cause part damage.
If more than one hydraulic line is removed, identify lines to assure proper installation. Use container to catch
any hydraulic oil that may drain from system.
Remove four hex head capscrews (1), four lockwash-
ers (2) and cover (3). Discard lockwashers.
Disconnect two hoses (4).
Remove snap ring (5), shaft (6), spacer (7) and two
Remove two hex head capscrews (9), two lockwashers
(10), two flatwashers (11) and bracket (12) with pulley
(13). Discard lockwashers.
Reinstall capscrews (9), lockwashers (10) and flat-
washers (11) to secure boom wear pad (14) in place.
Place wood blocks underneath boom extend cylinder
and inner boom.
Remove eight hex head capscrews (15) and eight lock-
nuts (16) from extend cylinder anchor (17). Discard