FAQ >> Crane Preventive Maintenance Checklist

Crane Preventive Maintenance Checklist

The items below should be inspected during a typical preventive maintenance check.

General:
sheet metal
guards & covers
external lights
safety / warning decals & labels
hand signal chart

Driver’s Cab and Station:
grab rails & steps
glass
windshield wipers
door restraints
mirrors
fire extinguisher
seat restraint(s)
seat belt(s)
parking brake
air pressure
instruments & gauges
switches
horn
lights
steering
engine clutch
accelerator
brake

Carrier Power Plant (lower):
exhaust system guards & insulators
belts & hoses
guards / covers

Carrier:
transmission
drive line
tires / wheels
main frame members
hydraulic hoses, tubing & fittings
hydraulic fluid level
anti-skid surface
axle lock-out
backup alarm

Outriggers:
boxes
beams
cylinders
floats / pads
hydraulic hoses, tubes & fittings
holding valves
position locks
warning signs

Operator’s Cab & Station:
grab rails / steps / platforms
anti-skid surfaces
glass
windshield wipers
door restraint
fire extinguisher
mirrors
seat restraint
seat belt
operator’s manual
operating instructions / decals
electrocution warning sign (inside)
hand signal chart
parking brake
swing brake
positive swing lock
controls - forces / movements
accelerator / throttle control
air pressure
hydraulics
horn / warning device

Load Chart:
per configuration
durable, legible, visible from Operator’s station
secured

Safety Devices / Operational Aids:
boom angle indicator
boom length indicator
main drum rotation indicator
auxilliary drum rotation indicator
load moment indicator
load weight indicator
radius indicator
crane level indicator
anti-two block device
two block warning / damage device

Power Plant (Upper):
exhaust system / guards / insulators
belts / hoses
guards / covers / rotating and reciprocating parts

Rotating Upper Structure:
turntable
electrical collector ring
counterweight frame
hydraulic pump(s)
hydraulic hoses / tubes / fittings
hydraulic pressure
electrical wiring
main hoist - motor / valves / lines
main hoist - wrapping on drum
main hoist - minimum (2) rope wraps
auxilliary hoist - motor / valves & lines
auxilliary hoist - wrapping on drum
auxilliary hoist - minimum (2) rope wraps
counterweight / mounting
swing gear box
electrocution warning sign (outside)
counterweight warning sign

Main Boom:
lift cylinder(s)
telescoping cylinder(s)
hydraulic hoses / tubing & fittings
holding device
boom sections alignment
wear pads
equal extension
sheaves
hoist line dead end
wire rope retainer
boom hinge pin
boom head section
auxilliary boom head
structure

Manual Section:
alignment
locking device
structure

Lattice Boom Extension:
boom, extension alignment
cords
lattices
end connections
storage device
sheave(s)
wire rope retainer
structure

Jib:
positive stops
sheave(s)
wire rope retainer(s)
structure

Main Load Block & Hook:
capacity marking
weight marking
sheaves
safety latches
10° hook twist
15% hook throat opening
10% hook wear
swivel
bearing
wedge socket / end fitting
reeving
NDT results

Overhaul Ball & Hook:
capacity marking
weight marking
safety latches
10° hook twist
15% hook throat opening
10% hook wear
swivel
bearing
wedge socket / end fitting
NDT results

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