Snorkel A46JRT - Frequent Inspection and Maintenance - Every 90 Days or 150 Hours

Appendix C – Inspection Checklists
A46JRT – 0260996
Frequent Inspection and Maintenance – Every 90 Days or 150 Hours
Item Procedure Information P/F/R
Chassis
Structural Check for damage and cracked welds
Pins Check for wear and damage
Steering cylinder pin caps and
retaining bolts
Verify that all fasteners are in place
Oscillating axle lock cylinders,
rollpin, and lynch pin
Verify that all fasteners are in place
Steering linkage Check for proper operation
Tires Check for wear and damage
Proper ination 70 psi to 75 psi
Air lled tires only
Hydraulic tubes and hoses Check for leaks, wear, and damage
Decals and placards Check for damage and readability
Order replacements as necessary
Torque drive and steer wheel
lug nuts per placard on wheel
Torque lug bolts/nuts to proper value
on machine placard
4x4 front: 200 to 225 ft lb
4x2 front: 70 to 80 ft lb
All rear: 200 to 225 ft lb
Right drive motor(s) Check for leaks
Left drive motor(s) Check for leaks
Turntable
Structural Check for damage and cracked welds
Pins Check for wear and damage
Torque turntable top bolts Torque to proper value 190 ft lbs
Torque turntable bottom bolts Torque to proper value 190 ft lbs
Hydraulic tubes and hoses Check for leaks, wear, and damage
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
Tilt alarm Check for proper operation
Lower Booms
Structural Check for damage and cracked welds
Pins Check for wear and damage
Boom lift cylinder retaining bolts Verify that all fasteners are in place
and are tight
Boom lift cylinder and holding
valve
Check for leaks, wear, damage, and
for proper operation
Riser lift cylinder forged pin
retainer/retaining bolt
Verify that all fasteners are in place
and are tight
Riser lift cylinder and holding
valve
Check for leaks, wear, damage, and
for proper operation
Master level cylinder forged pin
retainer
Verify that all fasteners are in place
and are tight
Hydraulic tubes and hoses Check for leaks, wear, and damage
Electrical Wires Check for wear and damage
Left Hand Access Door
Boom control valve Check for leaks, wear, damage, and
for proper operation
Boom circuit system pressure Check maximum system pressure 2,700 to 2,800 psi
Filter minder gauge Check for proper operation