Valustar CM 624 R Operating Manual

Summary of CM 624 R

  • Page 1

    Operating, maintenance & parts manual 24761 electric chain rated loads 1/4 through 2-tons 250 through 2000 kg. ® f ollow all instructions and warnings for inspecting, maintaining and operating this hoist. The use of any hoist presents some risk of personal injury or property damage. That risk is gre...

  • Page 2

    I cm hoist parts and services are available in the united states and in canada as a cm hoist user, you are assured of reliable repair and parts services through a network of master parts depots and service centers that are strategically located in the united states and canada. These facilities have ...

  • Page 3: Safety Precautions

    Safety precautions each valustar electric hoist is built in accordance with the specifications contained herein and at the time of manufacture com- plied with our interpretation of applicable sections of the *american society of mechanical engineers code b30.16 “overhead hoists,” the national electr...

  • Page 4: Hoist Safety Is Up to You...

    Iii 1 choose the right hoist for the job... Choose a hoist with a capacity for the job. Know the capacities of your hoists and the weight of your loads. Then match them. The application, the size and type of load, the attachments to be used and the period of use must also be taken into consideration...

  • Page 5: Foreword

    1 foreword this manual contains important information to help you properly install, operate and maintain your hoist for maximum perfor- mance, economy and safety. Please study its contents thoroughly before putting your hoist into operation. By practicing correct operating procedures and by carrying...

  • Page 6: General Information

    2 general information specifications the valustar electric chain hoist is a highly versatile materials handling device that can be used to lift loads that are within rated capacity. The mechanical features of these hoists include an alloy steel lift wheel, overload device (protector), hardened steel...

  • Page 7: Accessories

    3 accessories series 635 low headroom trolley these are manual push type trolleys designed for use with the valustar electric chain hoists, and a rigid lug suspension is required to attach the hoist to the trolley (see figure 1). The trolley is adjustable to operate on a range of american standard b...

  • Page 8

    Figure 5. Suspension assemblies 1. Lug type (single reeved adapter) for use with low headroom trolley and motor driven trolley. 2. Swivel hook type (double-reeved adapter). 3. Rigid hook type (single-reeved adapter). 4. 12 point suspension screws. (do not order parts by these numbers. See parts list...

  • Page 9

    5 figure 6. Load chain attachment.

  • Page 10

    Between the trolley trackwheel flanges and the beam flange width should be measured to determine the exact distribution of the spacer washers. The number of spacer washers between side frames and load bracket should be the same or differ only by one spacer to keep the hoist hook centered under the b...

  • Page 11

    The nominal hoist voltage rating corresponding to the voltage range given on hoist identification label is: single speed units range nominal volts 110-120 115 220-240 230 440-480 460 three phase hoists changing the voltage connections on a single speed, three phase dual voltage unit is easily accomp...

  • Page 12: Operating Instructions

    To avoid these low voltage problems, the hoist must be con- nected to an electrical power supply system that complies with the national electrical code and applicable local codes. This system must also be rated for a minimum of 20 amps and it must have #14 awg or larger wiring, a disconnecting means...

  • Page 13: Inspection

    Hoist with low headroom trolley this unit should be moved by pushing on the suspended load or by pulling the empty hook. However, the unit can also be moved by pulling on the control station since an internal steel cable extends the length of the control cord and is anchored to the hoist and to the ...

  • Page 14

    10 minimum frequent inspections type of service item normal heavy severe a) brake for evidence of slippage. B) control functions for proper operation. C) hooks for damage, cracks, twists, excessive throat opening, latch engagement and latch operation – see page 11. D) load chain for adequate lubrica...

  • Page 15

    Models replace hook when opening is greater than wb, wf 1-3/16 we, wh, wj & wr 1-5/16 wr 1-1/2 figure 9. Hook inspection hook inspection hooks damaged from chemicals, deformations or cracks, or that have more than a 10° twist from the hook’s unbent plane or excessive opening or seat wear must be rep...

  • Page 16: Maintenance

    Maintenance hoist lubrication note: to assure extra long life and top perfor- mance, be sure to lubricate the various parts of the valustar hoist using the lubricants specified below. If desired, these lubricants may be purchased from cm. Refer to page 22 for information on ordering the lubricants. ...

  • Page 17: Trouble Shooting

    13 a. No voltage at hoist – main line or branch circuit switch open; branch line fuse blown or circuit breaker tripped. B. Phase failure (single-phasing, three-phase unit only) – open circuit, grounded or faulty connection in one line of supply system, hoist wiring, reversing contactor, motor leads ...

  • Page 18

    Electrical data to detect open and short circuits in electrical components open circuits in the coils of electrical components may be detected by isolating the coil and checking for continuity with an ohmmeter or with the unit in series with a light or bell circuit. Shorted turns are indicated by a ...

  • Page 19

    15 figure 11. Typical wiring diagrams. Wiring diagrams shown are representative. Consult diagram in hoist or furnished with unit. Single phase-type ‘t’ contactor 110-120 volt single phase-type ‘t’ contactor 110-120 volt three phase 230/460-3-60 220/380-415-3-50 models wb, we, wf & wh three phase 230...

  • Page 20: Assembly

    16 assembly hook or lug suspension models we, wh, and wr assemble the dead end bolt and block through the suspen- sion adapter, as shown in figure 12. Figure 12. Hook suspension centrifugal mechanism centrifugal mechanism (624-212) is furnished in kit form which contains the centrifugal mechanism, s...

  • Page 21

    17 the small end of the pin. The small end of the pin is the end opposite the end on which the three grooves are visible. Place the hook block in the v-block and drive the pin out using the drift and a hammer or slow acting press. To re-install the pin, the parts must be arranged the same as they we...

  • Page 22: Replacement Parts

    18 cutting chains cm hoistaloy ® load chain is hardened and it is difficult to cut. The following methods are recommended when cutting a length of new chain from stock or cutting off worn chain. Figure 14. Cutting chain by nicking 1. Use a grinder and nick the link on both sides (figure 14), then se...

  • Page 23: Parts List

    19 key no. Part name number required part numbers models wb, we, wf, wh models wj, wl, wr model wb model we model wf model wh model wj model wl model wr 624-100 motor housing 1 1 27028 24008 624-101 gear housing 1 1 28669 (includes item 624-102) 35620 (includes items 624-102, 624-120, 624-129) 624-1...

  • Page 24: Parts List, Continued

    20 parts list, continued key no. Part name number required part numbers models wb, we, wf, wh models wj, wl wr model wb model we model wf model wh model wj model wl model wr 624-140 motor attaching screw and lockwasher --- 4 ---- for all units, order (4) 87377 motor thru bolts and (4) 982226 lockwas...

  • Page 25: Parts List, Continued

    21 parts list, continued key no. Part name number required part numbers models wb, we, wf, wh models wj, wl, wr model wb model we model wf model wh model wj model wl model wr 624-200 gear housing gasket 1 1 27747 35707 624-210 rotor assembly (items 624-108 and 624-112 included) (for 115-1-60 units, ...

  • Page 26: Parts List

    22 parts list figure 16. Control station exploded view 624-253 624-301 624-302 624-304 624-252 624-303 624-307 624-306 624-231 624-822 touch-up paints valustar electric chain hoists and series 635 low headroom trolleys name color quantity* size part no. Hoist orange 1 case 12-12 oz. Aerosol cans 841...

  • Page 27

    24 23 figure 17. Valustar electric chain hoist exploded view.

  • Page 28

    25 key no. Part name no. Req’d. Part no. 1-ton 2-ton 1-ton 2-ton 624-400 trackwheel 4 4 35774 50762 624-401 trackwheel stud 4 4 987790 35838 624-402 trackwheel stud nut 4 4 982520 948804 624-403 suspension bolt ( special alloy steel bolt) 9-5/32" long* 2 – 35450 – 10-1/4" long** 2 – 35407 – 10" long...

  • Page 29

    Note: when ordering parts, always furnish hoist model and serial number, motor horsepower, voltage, phase, frequency and rated capacity of hoist on which the parts are to be used. For the location of the nearest cm master parts depot, see the list located on the inside front cover. ® © 2002 columbus...