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8/6/2019 HDB Safety Manual
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MAST
RAILING
MANUAL CRANE
JIB
ROOF
ACCESS
CAGE
CABLE GUIDE
SCREEN
GROUND PANEL
CABLE
CASKET
HOIST ASSEMBLY
MAST
RAILING
MANUAL CRANE
JIB
ROOF
ACCESS
CAGE
CABLE GUIDE
SCREEN
GROUND PANEL
CABLE
CASKET
HOIST ASSEMBLY
GUARDRAIL WELDED
TO ANGLE PLATE12 mm THK PLATE PLATFORM
2 NOS 10 mm THK U PLATES
WELDED TO UNDWERSIDE OF
WORKING PLATFORM
3 NOS 100 mm DIA. PIPES
ACCESS WORKING PLATFORM
ANGLE PLATE
175X50X8
THK CHANNEL
GUARDRAIL WELDED
TO ANGLE PLATE12 mm THK PLATE PLATFORM
2 NOS 10 mm THK U PLATES
WELDED TO UNDWERSIDE OF
WORKING PLATFORM
3 NOS 100 mm DIA. PIPES
ACCESS WORKING PLATFORM
ANGLE PLATE
175X50X8
THK CHANNEL
CABLE GUIDING POSITION
CABLE CASKET
CABLE GUIDING POSITIONCABLE GUIDING POSITION
CABLE CASKETCABLE CASKET
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HOIST MAINTENANCE DIAGRAM
7 8 14
8
1 5
10
3 4 12
1 5
5 6 9 11
13 14 15
1
8
2
5
2
3 11 12
HOIST MAINTENANCE DIAGRAM
7 8 14
8
1 5
10
3 4 12
1 5
5 6 9 11
13 14 15
1
8
2
5
2
3 11 12
MAINTAINING THE HOIST
In order for the hoist to work in good condition, the following maintenance guides should be
followed but it must not be considered as a complete check list :-
ITEMMAINTENANCE INTERVAL POSITION TO CHECK
1 LUBRICATION - MOVING PARTS ON THE CAGE
2 - MOVING PARTS ON THE SCREEN
3 ELECTRICAL - NO LOOSE OR CHAFING WIRES ON TERMINALS
4 WEEKLY
- CHECK TIGHTNESS OF FASTENING ON TERMINAL
- KEEP THE INSIDE OF THE CONTROL PANEL CLEAN &
FREE FROM DUST & METAL PARTICLES
5- ALL LIMIT SWITCHES ARE CLEAN & FUNCTIONING
CORRECTLY
6 LUBRICATION - HELICAL WORM GEARED DRIVE UNIT'S OIL LEVEL
7 - GREASE THE RACK
8 MECHANICAL - CHECK ALL SECURING BOLTS FOR TIGHTNESS
9- CHECK THE DRIVE UNIT SECURING BOLTS & CLAMPING
SADDLE NUTS FOR TIGHTNESS
10 MONTHLY
- CHECK THE CAGE ROLLERS & BACK-UP ROLLERS
BOLTS FOR TIGHTNESS
11
- CHECK & RE-ADJUST IF NECESSARY THE AIR GAP OF
THE ELECTRO-MAGNETIC DISC BRAKE ON THE DRIVE
UNIT(S)
12 ELECTRICAL - CONTRACTORS: THE COIL SHOULD BE REMOVED & THE
MAGNETIC FACES CLEANED WITH CLOTH CONTAINING
LIGHT M/C OIL TO LEAVE A THIN FILM ON THE POLES
FACES DUST CAUSES HUM HERE. CHECK THE FIXED &
REMOVING CONTACTS FOR WEAR & REPLACE WHEN
NECESSARY
13 MECHANICAL 3 MONTHS - INSPECT, CLEAN & TEST EMERG. BRAKE DEVICE14 MECHANICAL 6 MONTHS - CHECK FOR WEAR & ENGAGEMENT OF RACK & PINION
15 LUBRICATION 12 MONTHS - CHANGE THE DRIVE UNIT GEAR OIL
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STEEL PLATES
ALTERNATE STEEL PLATE ARRANGEMENT
STEEL PLATE
COMPACTED
HARDCORE
COMPACTED
SUBGRADE
GROUND BEARING CAPACITY OF
ACCESS FOR HEAVY MOBILE CRANES
1 5 0
850
WIDTH
850 + 2 X 150= 1150 mm (min)Subgrade
STEEL PLATE
OUTRIGGER
DETAIL ‘1’
TRUCK-MOUNTEDCRANE
DETAIL ‘1’
U-BAR
STEEL PLATE
( U-BAR SHALL BE USED TOANCHOR STEEL PLATE AT
LOCALISED AREA )
STEEL PLATES
ALTERNATE STEEL PLATE ARRANGEMENT
STEEL PLATES
ALTERNATE STEEL PLATE ARRANGEMENT
STEEL PLATE
COMPACTED
HARDCORE
COMPACTED
SUBGRADE
STEEL PLATE
COMPACTED
HARDCORE
COMPACTED
SUBGRADE
GROUND BEARING CAPACITY OF
ACCESS FOR HEAVY MOBILE CRANES
1 5 0
850
WIDTH
850 + 2 X 150= 1150 mm (min)Subgrade
GROUND BEARING CAPACITY OF
ACCESS FOR HEAVY MOBILE CRANES
1 5 0
850850
WIDTH
850 + 2 X 150= 1150 mm (min)
WIDTH
850 + 2 X 150= 1150 mm (min)Subgrade
STEEL PLATE
OUTRIGGER
DETAIL ‘1’
TRUCK-MOUNTEDCRANE
STEEL PLATE
OUTRIGGER
DETAIL ‘1’
TRUCK-MOUNTEDCRANE
DETAIL ‘1’
U-BAR
STEEL PLATE
( U-BAR SHALL BE USED TOANCHOR STEEL PLATE AT
LOCALISED AREA ) DETAIL ‘1’
U-BAR
STEEL PLATE
( U-BAR SHALL BE USED TOANCHOR STEEL PLATE AT
LOCALISED AREA )
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FRONT VIEW
MAST CLIMBING WORK PLATFORM
FRONT VIEW
MAST CLIMBING WORK PLATFORM
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WIREMESH (FINE NETTING)
3 NOS OF 200X50mm
TIMBER PLANK X 2 LAYERS
CABLE DRUM
MIN 2 BOLTSTO BE
PROVIDED
WIREMESH (FINE NETTING)WIREMESH (FINE NETTING)
3 NOS OF 200X50mm
TIMBER PLANK X 2 LAYERS
3 NOS OF 200X50mm
TIMBER PLANK X 2 LAYERS
CABLE DRUMCABLE DRUM
MIN 2 BOLTSTO BE
PROVIDED
MIN 2 BOLTSTO BE
PROVIDED
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