Periodic Inspection and
Maintenance Checklist
for
EOT Cranes or Hoists
REVA INDUSTRIES LIMITED
Periodic Inspection Chart
The frequency of inspection and
maintenance depends on the class and duty
of the crane or hoist
here is a general classification on the
frequency
Periodic Maintenance
1) Walk Around Checklist
a) Mechanical Checks
b) Electrical Checks
2) No Load Test
3) Load Test
WALK AROUND CHECKLIST
CHECK LIST FOR HOIST / CRANES
REMARK
SR NO. LOCATION MECHANICAL WORK YES/NO. S ACTION TO BE TAKEN
i)Clean thru air blow pressure Control Panel, Resistance Box, LT
ALL CRANE PARTS ALL CRANE DUST CLEANING Mechanism, Hoisting Mechanism, CT Mechanism, Hook Block assy,
1 Top Block assy, CT/lt rail track, All brakes
i) Check Oil level & remove scale layer made above the lubrication
GEARBOX MH,CT,LT GEAR OIL LEVEL CHECK oil top
2 ii)Top-up the required oil to meet oil level requirement
i)Please check whether grease is in semi-liquid form or in solid form
ii)If solidify please replace the grease with new one
3 WHEELS CT / LT GREASE TOP-UP CHECK
iii)If semi-liquid top-up with required quantity manual or thru grease
nipple
Check
Visually
i)Please check whether sheaves are rotating smooth manually by
hand or not
BOTTOM BLOCK SHEAVE
4 PULLEYS ii)If smooth than it`s ok
LUBRICATION
iii)If not smooth than please open all sheaves & repeat all
instructions given in sr. no. 3
i)Please remove dust thru air blow pressure or diesel
5 WIRE ROPE WIRE ROPE LUBRICATION ii)Apply cadmium compound lubricant manually in full length of wire
rope
i)Please make free all thruster motors manually by pulling up &
down
6 BRAKES MH,CT AND LT BRAKE SETTING
ii)Please release manually all dc/ac disc brakes thru handle 3/4
times within a range of hook motion approx 1mtr.
SR NO. LOCATION ELECTRICAL WORK YES/NO. REMARKS ACTION TO BE TAKEN
Check busbar visually such as for any bent, damage or
dismantle please replace
1 BUSBAR (LT DSL)
Ensure that current collector is mounted properly If not please correct it
Check for visual damage please replace/repair
POWER, CONTROL & CT
2
DSL CABLES
Check the terminal point for the loose connections please tighten if required
Ensure panel is Dust free & moisture free if not remove dust & moisture
CONTROL PANEL,
TPN/ISOLATOR SWITCH, Check all termination & loose wire connections inside the
3
BREAKING RESISTANCE panel after dust removing tighten if necessary
ETC.
Earthing of control panel is not rusted or disconnected if yes please replace if necessary
Check
Check the terminal point for the loose connections & lugs please tighten if required
Visually
4 MOTOR & BRAKES
Ensure there is no moisture/water inside terminal box if yes dryout it
Ensure pendent is dust free remove dust
Ensure water has not been entered into the pendant remove & start for dry out process
5 PENDENT
Ensure momentary push buttons are working properly.
Also ensure after pressing it comes out to its original
position if not replace & remove dust . Check connections
Ensure dust free remove dust
6 RADIO REMOTE Remote batteries are in good condition. These are not
discharged replace / charge battery
7 LIMIT SWITCH
Please check for the any physical damage for all motions If damaged replace it
NO LOAD TRAIL
S.NO Checking Points For No Load YES/ NO
1 MH Motion : NO LOAD (any abnormal sound) UP DOWN
2 CT Motion : NO LOAD (any abnormal sound) LEFT RIGHT
3 LT Motion : NO LOAD (any abnormal sound) FORWARD REVERSE
4 LIMIT SWITCH Functional Check MH CT LT
5 ALL BRAKE Functional Check
6 Check All Motions MOTOR CURRENTS compare with specified and note down in below obsevation sheet
Specified Current Observed Current (No Load) Observed Current (No Load)
MOTION (on motor name plate) UP , LEFT , FORWARD DOWN ,RIGHT, REVERSE
MAIN HOIST
CROSS TRAVEL
LONG TRAVEL
FULL LOAD TRAIL
S.NO Checking Points For FULL Load YES/ NO
1 MH Motion : SWL LOAD (any abnormal sound) UP DOWN
2 CT Motion : SWL LOAD (any abnormal sound) LEFT RIGHT
3 LT Motion : SWL LOAD (any abnormal sound) Forward Reverse
5 ALL BRAKE Functional Check - do settings of Brakes if required
6 Check All Motions MOTOR CURRENTS compare with specified and note down in below obsevation sheet
Specified Current
(on motor name Observed Current (SWL Load) Observed Current (SWL Load)
MOTION plate) UP , LEFT , FORWARD DOWN ,RIGHT, REVERSE
MAIN HOIST
CROSS TRAVEL
LONG TRAVEL
procedu
re for During load test lift the rated load not higher than required to clear its supports and stop.
full load Raise the load further about 1 mtr. above its support and stop.
test Lower the load about 300 mm and stop.
Check drift/slippage of load during stopping.
REMARKS Crane Suitable for Operation Yes/No
SHROUDED BUSBAR
● Check busbar visually such as for any bent,
damage or dismantle
● Ensure that current collector is mounted
properly
REVA INDUSTRIES LIMITED
CABLES
● Check for visual damage
● Check the terminal point for the loose
connections
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CONTROL PANEL
● Ensure panel is Dust free & moisture free
● Check all termination & loose wire connections
inside the panel after dust removing
● Earthing of control panel is not rusted or
disconnected
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MOTORS & BRAKES
● Check the terminal point for the loose connections & lugs
● Ensure there is no moisture/water inside terminal box
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PENDANT
● Ensure pendent is dust free
● Ensure water has not been entered into the pendant
● Ensure momentary push buttons are working
properly. Also ensure after pressing it comes out to its
original position
●
MOMENTARY PUSH BUTTON
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RADIO REMOTE
Replace BATTERY if
discharged
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LIMIT SWITCH
● Please check for the any physical damage
● Check functionality
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FOREIGN OBJECT ON RAIL
REVA INDUSTRIES LIMITED
GEAR BOX OIL LEVEL (MH/CT/LT/AH)
OIL LEVEL INDICATOR
REVA INDUSTRIES LIMITED
HOOK & BOTTOM BLOCK
● Check if the Hook is Rotating Properly
● Check if the Pulleys are Rotating Properly
REVA INDUSTRIES LIMITED
Wire Rope
● Check Wire Rope is Rusty
● Bird caging
● Excessive Wear
REVA INDUSTRIES LIMITED
No Load Test
● Check the NO LOAD Test
● Measure Current
● Check Functionality of Limit Switches
● Check Functionality of Brakes
REVA INDUSTRIES LIMITED
Load Test
● Check the SWL LOAD Test
● Measure Current on LOAD
● Check Functionality of Brakes
REVA INDUSTRIES LIMITED
Contact Us
Service Related Queries:
Mr. Vijender : +91 9999537089
email : service@revacranes.com
For New Cranes Requirement
Ms. Heena Gupta : +91 98994 84744
Mr. AK Dewedi : +91 96503 91334
email: mkt@revacranes.com
www.revacranes.com
REVA INDUSTRIES LIMITED