Snorkel A46JRT - Page 82

Appendix C – Inspection Checklists
A46JRT – 0260996
Frequent Inspection and Maintenance – Every 90 Days or 150 Hours
Item Procedure Information P/F/R
Upper Booms
Platform rotator, pin and forged
pin retaining system
Verify that all fasteners are in place
and are tight
Platform rotator, pin and forged
pin retaining system
Verify that all fasteners are in place
and are tight
Platform rotation holding valve Verify that all fasteners are in place
and are tight
Rotator mounting bolts Verify that all fasteners are in place
and are tight
Overload cell Check for proper operation
Platform
Structural Check for damage and cracked welds
Decals and placards Check for damage and readability
Order replacements as necessary
Platform gates Check for damage/proper operation
Platform mounting bolts Verify that all fasteners are in place
and are tight
Operator’s Manual Proper manual in document holder
Batteries
Battery terminals Clean terminals and check cable
condition
Electrolyte Check for proper level Add distilled water if
necessary
Indicator gauges (if equipped) Check for proper operation/condition
Lower Control Station
Station selector switch in the
lower controls position
Check for proper operation With the selector in the
lower controls position, the
upper controls do not work
Station selector switch in the
upper control position
Check for proper operation With the selector in the
upper controls position, the
lower controls do not work
Preheat button Check for proper operation
Keyed start switch Check for proper operation
Throttle interlock Check for proper operation
Audible alarms Check for proper operation
Turntable rotation CW – CCW Check for proper operation
65 to 85 seconds for each direction
Riser boom lift Up – Down Check for proper operation
Up: 35 - 40 sec Down: 20 - 25 sec
Main boom lift Up – Down Check for proper operation
Up: 25 - 30 sec Down: 20 - 25 sec
Jib boom lift Up – Down Check for proper operation
Up: 20 - 25 sec Down: 30 - 35 sec
Boom extension In – Out Check for proper operation
Ext: 20 - 25 sec Ret: 22 - 27 sec
Platform leveling Up – Down Check for proper operation
Platform rotation CW – CCW Check for proper operation
Full cycle: 16 - 20 seconds
Emergency power, all functions Check for proper operation
Emergency stop Check for proper operation
Hour meter Check for proper operation