6-4 SECTION 6. GENERAL REFERENCE99903514:TELESCOPIC CRANE:
STATUS
INSPECTION DESCRIPTIONKEYITEM
Inspection Checklist
CRANES
3
20111122
59 l Rotation bearing(s)
60 l Inner boom pivot pin(s) & retainer(s)
61 l Outer boom pivot pin(s) & retainer(s)
62 l Inner boom cylinder pin(s) & retainer(s)
63 l Outer boom cylinder pin(s) & retainer(s)
64 l Extension cylinder pin(s) & retainer(s)
65 l Jib boom pin(s) & retainer(s)
66 l Jib cylinder pin(s) & retainer(s)
67 l Jib extension cylinder pin(s) & retainer(s)
68 l Boom tip attachments
69 l Other
Q 70 Hyd Lines Hoses, fittings & tubing for proper routing, leakage, blistering, deformation & excessive abrasion.
71 l Pressure line(s) from pump to control valve
72 l Return line(s) from control valve to reservoir
73 l Suction line(s) from reservoir to pump
74 l Pressure line(s) from control valve to each function
75 l Load holding valve pipe(s) and hose(s)
76 l Other
Q 77 Pumps Pumps & motors for loose bolts/fasteners, leaks, noise, vibration, loss of performance,
& Motors heating & excess pressure.
78 l Winch motor(s)
79 l Rotation motor(s)
80 l Other
Q 81 Valves Hydraulic valves for cracks, spool return to neutral, sticking spools, proper relief valve setting, relief valve failure.
82 l Main control valve
83 l Load holding valve(s)
84 l Stabilizer or auxiliary control valve(s)
85 l Other
86 l Other
Q 87 Cylinders Hydraulic cylinders for drifting, rod seal leakage & leakage at welds.
Rods for nicks, scores & dents. Case for damage. Case & rod ends for damage & abnormal wear.
88 l Stabiliizer cylinder(s)
89 l Inner boom cylinder(s)
90 l Outer boom cylinder(s)
91 l Extension cylinder(s)
92 l Rotation cylinder(s)
93 l Jib lift cylinder(s)
94 l Jib extension cylinder(s)
95 l Other
Q 96 Winch Winch, sheaves & drums for damage, abnormal wear, abrasions & other irregularities.
Q 97 Hyd Filters Hydraulic filters for replacement per maintenance schedule.
A 98 Daily All daily inspection items.
A 99 Monthly All monthly inspection items.
A 100 Quarterly All quarterly inspection items.
A 101 Hyd Sys Hydraulic fluid change per maintenance schedule.
A 102 Controls Control valve calibration for correct pressures & relief valve settings
A 103 Valves Safety valve calibration for correct pressures & relief valve settings.
A 104 Valves Valves for failure to maintain correct settings.
A 105 Rotation Sys Rotation drive system for proper backlash clearance & abnormal wear, deformation & cracks.
A 106 Lubrication Gear oil change in rotation drive system per maintenance schedule.
A 107 Hardware Check tightness of all fasteners and bolts.
A 108 Wear Pads Wear pads for excessive wear.
A 109 Loadline Loadline for proper attachment to drum.
= SATISFACTORY
R = RECOMMENDATION (Should be
considered for corrective action)
NA = Not Applicable
X = Deficient (Note: If a deficiency is found, an immediate
determination must be made as to whether the deficiency
constitutes a safety hazard and must be corrected prior to
operation.)
FREQUENCY
, R,
X, NA
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