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Frequent Inspection and Maintenance – Every 90 Days or 150 Hours
Item
Lower Controls
Control switch in the
lower controls position
Station selector switch in the
upper controls position
Engine Start – Stop
Throttle High – Low
Turntable CW – CCW
Boom elevation Up – Down
Boom Extend – Retract
Jib Up – Down
Platform level Up – Down
Platform rotation CW – CCW
Emergency power, all functions
Emergency stop
Booms
Structural
Lift cylinder pin caps and
tie wire
Hydraulic tubes and hoses
Extension cylinder pin caps
and tie wire
Extension cylinder and holding
valve
Jib boom pin caps and
tie wire
Jib cylinder pin caps and
tie wire
Jib cylinder and holding
valve
Hose carrier tube and support
Plastic hose track
Electrical wires
Extend/retract wire ropes and
sheaves
Whiffles
Decals and placards
Maintenance – 6
Procedure
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for proper operation
Check for damage and cracked welds
Verify that all fasteners are in place
and are tight
Check for leaks, wear, and damage
Verify that all fasteners are in place
and are tight
Check for leaks, wear, damage, and
for proper operation
Verify that all fasteners are in place
and properly installed
Verify that all fasteners are in place
and properly installed
Check for leaks, wear, damage, and
for proper operation
Check for residue buildup/proper
operation
Check for wear and damage
Check for wear and damage
Check for wear/damage and that
fasteners are in place and are tight
Check for wear/damage and that
fasteners are in place and are tight
Check for damage and readability
Order replacements as necessary
Information
With the selector in the
lower controls position, the
upper controls do not work
With the selector in the
upper controls position, the
lower controls do not work
TB65J – 0084803
Ok
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