Snorkel AB85J, Repair Parts Manual

Page: 528 / 591

Maintenance – 6 AB85J – 0421900
Frequent Inspection and Maintenance – Every 90 Days or 150 Hours
Item Procedure Information OK
Lower Controls
Control switch in the lower controls
position
Check for proper operation
With selector in the lower
controls position, upper
controls do not work
Station selector switch in the upper
controls position
Check for proper operation
With selector in the upper
controls position, lower
controls do not work
Engine Start – Stop Check for proper operation
Throttle High – Low Check for proper operation
Turntable CW – CCW Check for proper operation
Boom elevation Up – Down Check for proper operation
Boom Extend – Retract Check for proper operation
Jib Up – Down Check for proper operation
Jib rotation CW – CCW
Check for proper operation
Platform level Up – Down Check for proper operation
Platform rotation CW – CCW
Check for proper operation
Emergency power, all functions Check for proper operation
Emergency stop Check for proper operation
Booms
Structural
Check for damage and cracked
welds
Lift cylinder pin caps and tie wire
Verify that all fasteners are in place
and are tight
Hydraulic tubes and hoses Check for leaks, wear, and damage
Extension cylinder pin caps and
tie wire
Verify that all fasteners are in place
and are tight
Extension cylinder and holding valve Check for leaks, wear, damage, and
for proper operation
Jib boom pin caps and snap rings
Verify that all fasteners are in place
and properly installed
Jib cylinder pin caps and snap rings
Verify that all fasteners are in place
and properly installed
Jib cylinder and holding valve Check for leaks, wear, damage, and
for proper operation
Slave level cylinder pin caps and tie
wire
Verify that all fasteners are in place
and are tight
Slave level cylinder and holding
valves
Check for leaks, wear, damage, and
for proper operation
Hose carrier tube and support Check for residue buildup/proper
operation
Plastic hose track Check for wear and damage
Electrical wires
Check for wear and damage
Decals and placards Check for damage and readability
Order replacements as necessary