Snorkel AB85J, Repair Parts Manual

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AB85J – 0421900 Maintenance – 5
Frequent Inspection and Maintenance – Every 90 Days or 150 Hours
Item Procedure Information OK
Chassis
Structural
Check for damage and cracked welds
Steering cylinder pin caps and
tie wire
Verify that all fasteners are in place
and are tight
Steering linkage Check for proper operation
Tires Check for wear and damage
Hydraulic tubes and hoses Check for leaks, wear, and damage
Drive motor brake Check for proper operation
Torque drive and steer wheel
lug nuts per placard on wheel
Torque lug bolts/nuts to proper value
on machine placard
Front: 450 to 500 ft lb
Rear: 450 to 500 ft lb
Right drive motors Check for leaks
Left drive motors Check for leaks
Tie-down and lifting lugs Check for damage and cracked welds
Decals and placards Check for damage and readability
Order replacements as necessary
Turntable
Structural
Check for damage and cracked welds
Torque turntable top bolts Torque to proper value
475 to 525 ft lbs
Torque turntable bottom bolts Torque to proper value
350 to 400 ft lbs
Hydraulic tubes and hoses Check for leaks, wear, and damage
Centerpost
Check for leaks, wear, and damage
Centerpost mounting bolts
Verify that all fasteners are in place
and are tight
Lift cylinder pin caps and tie
wire
Verify that all fasteners are in place
and are tight
Lift cylinder and holding valve Check for leaks, wear, damage, and
for proper operation
Master level cylinder pin caps
and tie wire
Verify that all fasteners are in place
and are tight
Master level cylinder and
holding valves
Check for leaks, wear, damage, and
for proper operation
Emergency bleed down valve Check for proper operation
Cowling Check for wear/damage and that
fasteners are in place and are tight
Wire harness
Check for wear/damage and that
fasteners are in place and are tight
Rotation brake Check for proper operation
Rotation backlash Check for wear and damage
Operator’s Manual
Proper manual in document holder
System pressure
Check maximum system pressure
3,000 psi
Decals and placards Check for damage and readability
Order replacements as necessary