R&M Materials Handling WIRE ROPE HOISTS Service User Manual
Page 3
R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
3/129
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
5.22
Inverter for travel....................................... 56
5.23
Rope drum ................................................ 58
5.23.1
Service, drum size
φ 243/303/355/406 mm ...58
5.23.2
Service, drum size
φ 608 mm ........................59
5.23.3
Drum wear inspection ....................................59
5.24
Rope guide ............................................... 61
5.25
Rope clamps............................................. 68
5.25.1
Service ...........................................................68
5.26
Drum Brake............................................... 68
5.26.1
Holding Brake ................................................69
5.26.2
Service ...........................................................69
5.26.3
Adjusting holding brake .................................70
5.26.4
Overspeed Brake...........................................70
5.26.5
Service ...........................................................71
5.26.6
Adjusting overspeed brake ............................74
5.27
Sheave support and rope anchorage
support 76
5.27.1
Service (R2 and R4 reevings)........................76
5.28
Rope anchorage ....................................... 76
5.28.1
Service ...........................................................77
5.28.2
Assembly .......................................................78
5.29
Hook-block, rope reeving and return
sheaves.............................................................. 80
5.29.1
Service ...........................................................87
5.29.2
Hook block assembly.....................................88
5.29.3
Return sheave assembly ...............................92
5.30
Wire rope .................................................. 94
5.30.1
Wire rope structure ........................................94
5.30.2
Service ...........................................................95
5.30.3
Assembly .......................................................98
5.31
Overload protection .................................. 99
5.31.1
Service .........................................................100
5.32
Condition monitoring unit ........................ 101
5.32.1
Service .........................................................102
5.33
Load signal amplifier............................... 103
5.33.1
Adjustment ...................................................103
6
Installation ................................................. 105
6.1
Prior to installation .................................. 105
6.2
Low headroom trolley, drum size
φ 243 mm
106
6.3
Low headroom trolley ............................. 107
6.3.1
Outfitting the hoist........................................108
6.4
Double-girder trolley ............................... 109
6.4.1
Outfitting the hoist........................................109
6.5
Normal headroom trolley ........................ 110
6.5.1
Straight beam...............................................110
6.5.2
Curved beam, when two trolleys..................111
6.5.3
Outfitting the hoist........................................112
6.6
Normal headroom trolley, drum diameter
608 mm ............................................................ 113
6.6.1
Straight beam...............................................113
6.6.2
Curved beam ...............................................115
6.6.3
Outfitting the hoist........................................116
6.7
Installing the hoist, fixed trolley .............. 116
6.7.1
Outfitting the hoist........................................117
6.8
Installing the hoist, machinery hoist ....... 117
6.8.1
Outfitting the hoist........................................117
6.9
Connecting to the mains network........... 118
7
Commissioning......................................... 119
7.1
Inspections without load......................... 119
7.1.1
Inspecting the connections of electrical
equipment .................................................................119
7.1.2
Inspection of pushbutton controller and
directions of rotation. ................................................119
7.1.3
Checking operating sound. ..........................119
7.1.4
Inspection and adjustment of the hoisting limit
switch. 119
7.1.5
Inspection and adjustment of the limit switch
for travel (not in all models) ......................................120
7.1.6
Inspection of hook and operation of rope
sheaves. ...................................................................120
7.1.7
Inspection of rope. .......................................120
7.1.8
Inspection of overload protection.................120
7.1.9
Inspection of trolley......................................120
7.1.10
Inspection of brake operation. .....................120
7.2
Inspections with test-load, 100% of the rated
load of the hoist. .............................................. 120
7.2.1
Inspection of motor current. .........................120
7.2.2
Inspection of running temperature...............121
7.2.3
Inspection of travelling machinery. ..............121
7.3
Inspections with overload, 110…125% of
the rated load of the hoist. ............................... 121
7.3.1
Inspection of overload protection.................121
7.3.2
Inspection of brake operation. .....................121
7.3.3
Inspection of rope ........................................121
7.4
After the inspections............................... 121
7.4.1
Cleaning.......................................................121
7.4.2
User training.................................................121
7.4.3
Hand-over documents .................................121
8
Maintenance .............................................. 122
8.1
Daily inspections .................................... 122
8.2
Periodical inspections and servicing ...... 123
8.3
Calculation of Safe Working Period (SWP)
124
8.3.1
STEP 1: Operating hours per inspection
interval, T
i
..................................................................125
8.3.2
STEP 2: Actual load spectrum factor per
inspection interval, K
mi
..............................................125
8.3.3
STEP 3: Partial duration of service, S
i
[hours]
125
8.3.4
STEP 4: Actual duration of service, S [hours]
125
8.3.5
STEP 5: SWP% and remaining service life .126