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INSTALLATION, OPERATING
& MAINTENANCE MANUAL
ELECTRIC CHAIN HOIST
Before installing hoist, fill in the information below.
Model Number
Serial No.
Purchase Date
Voltage
Rated Load
RATED LOADS 1/4 TO 2 TONNES
250 KG TO 2000 KG
WARNING
Follow all instructions and warning for inspecting,
maintaining and operating this hoist.
The use of any hoist presents some risk of personal injury
or property damage. That risk is greatly increased if proper
instructions and warnings are not followed. Before using
this hoist, each operator should become thoroughly familiar
with all warnings, instructions and recommendations in this
manual. Retain this manual for future reference and use.
Forward this manual to operator. Failure to operate equipment
as directed in manual may cause injury.
P/N: 10001681 (REV AF) August 2020
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Related Manuals for CM LODESTAR LNH0116ETAT
Summary of Contents for CM LODESTAR LNH0116ETAT
- Page 1 INSTALLATION, OPERATING & MAINTENANCE MANUAL ELECTRIC CHAIN HOIST Before installing hoist, fill in the information below. Model Number Serial No. Purchase Date Voltage Rated Load RATED LOADS 1/4 TO 2 TONNES 250 KG TO 2000 KG WARNING Follow all instructions and warning for inspecting, maintaining and operating this hoist.
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Page 2: General Information Online Resources
NAME OF THE NEAREST PARTS OR SERVICE CENTER, VISIT OUR WEB SITE WWW.CMWORKS.COM OR CALL OUR CUSTOMER SERVICE DEPARTMENT AT 800-888-0985. AN ELECTRONIC COPY OF THIS MANUAL AND THE CM HOIST PARTS AND SERVICES LIST IS AVAILABLE AT: http://www.cm-et.com/ElectricChainMotors/Lodestar WARNING Follow all instructions and warning for inspecting, maintaining and operating this hoist. -
Page 3: Safety Precautions
The safety laws for elevators, lifting of people and for dumbwaiters specify construction details that are not incorporated in CM hoists. For such applications, refer to the requirements of applicable state and local codes, and the American National Safety Code for elevators, dumbwaiters, escalators and moving walks (ASME A17.1). -
Page 4: Table Of Contents
FOREWORD This manual contains important information to help you properly install, operate and maintain your hoist for maximum performance, economy and safety. Please study its contents thoroughly before putting your hoist into operation. By practicing correct operating procedures and by carrying out the recommended preventive maintenance suggestions, you will experience long, dependable and safe service. -
Page 5: Specifications
2.80 ACCESSORIES LATCHLOK®HOOKS HOOK SUSPENSIONS CM’s Latchlok hooks (see Figure 2) are available Swivel and rigid type hook suspensions to replace the standard upper and lower hooks (see Figure 1) are available for all Lodestar used on the Lodestar Electric Hoists. -
Page 6: Unpacking Information
Using other than CM supplied high strength suspension screws to and the load chain for nicks and gouges. If shipping damage has... -
Page 7: Attaching Load Chain
CUTTING CHAIN CHECKING FOR TWIST IN LOAD CHAIN MODELS R, RR CM®Load chain is hardened and it is difficult to cut. The following The best way to check for this condition is to run the lower hook, methods are recommended when cutting a length of new chain from without a load, up to within about 2 feet (.61 Meters) of hoist. -
Page 8: External Chain Plate
or 230-3-60) simply remove the 9 and 12 pin plugs from the "Red" receptacles and insert same into the "White" receptacles located on the voltage change board. Be sure to make a notation of the new hoist voltage on the tag attached to the power cord. Cutting Chain Can Produce Flying Particles. -
Page 9: Checking Limit Switch Operation
National Electrical Code and applicable local codes as instructed in this manual. 220-3-50 200-240 Remember, operation with low voltage can void the CM repair/ 380-3-50 350-410 replacement policy. When in doubt about any of the electrical requirements, consult a qualified electrician. -
Page 10: Operating Instructions General
OPERATING INSTRUCTIONS failure at less than rated capacity. When in doubt, use the next larger capacity CM Lodestar Hoist. GENERAL Warn personnel of your intention to lift a load in the area. -
Page 11: Inspection
in this position, gravity will hold the chain and allow it to run freely are present. Electrical devices produce arcs or sparks that can through the hoist and help unravel any twists and prevent chain jam. cause a fire or explosion. 15. -
Page 12: Inspection Schedule
Table 4. INSPECTION TABLE Service Classifications Item Out of Severe Normal Stand By Rental Service Hoist braking system for proper operation Hooks and attachment hardware for correct assembly, damage, cracks, twists, excessive throat openings, latch engagement, and latch operation Load chain for adequate lubrication, signs of wear, damaged links, corrosion, or foreign matter Load chain for proper reeving and twists Limit switches for function, if equipped... -
Page 13: Replacement Criteria
HOOK REPLACEMENT CRITERIA Slack the portion of the chain that normally passes over the a. Missing or illegible rated load identification or illegible lift-wheel (sprocket) or idler sprocket on multi-reeved hoist. hook manufacturers' identification or secondary Based on ASME B30.10, hooks shall be removed from service Examine the chain links for wear (see Figure 13). -
Page 14: Removal And Installation
Run enough chain through to attach loose end link to hoist frame. USE ONLY CM EN (formerly DIN) OR STAR () GRADE LOAD CHAIN AND CM REPLACEMENT PARTS. USE OF OTHER CHAIN CAUTION: For double reeved models, be sure to disconnect... -
Page 15: Ordering Instructions
Lodestar Hoist using the lubri- cants specified in lubrication section. If desired, these lubricants may be purchased from CM. Refer to spare parts section for information on ordering the lubricants. The gearbox is packed at assembly with grease and should not need to be renewed unless the gears have been removed from the housing and degreased. -
Page 16: Limit Switch - Hook Travel
Loosen the 2 screws or spring back the rotatable guide to disengage the travel nut. Table 7. Limit Switch - Hook Travel Hook Travel w/ Hook Travel w/ Hook Travel w/ 44 T.P.I. Shaft 56 T.P.I. Shaft 64 T.P.I. Shaft (Standard) (Standard) (Standard) -
Page 17: Rotatable Limit Switches, Models J-Rr
TESTING OF MECHANICAL 11. Reconnect hoist to power supply and check the stopping point of hook by first lowering the hook about 2 feet (61 cm), then OVERLOAD PROTECTION raise the hook by jogging cautiously until the upper limit switch Before using, all altered, repaired or used hoists that have stops upward motion. -
Page 18: Troubleshooting
TABLE 9. TROUBLESHOOTING CHART SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION 1.) Hook does not respond to the A.) No voltage at hoist-main line or branch A.) Close switch, replace fuse or reset breaker. control station or control device circuit switch open; branch line fuse blown or circuit breaker tripped. - Page 19 TABLE 9. TROUBLESHOOTING CHART SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION 6.) Hook does not stop promptly. A.) Brake slipping. A.) Check brake adjustment as described on page 15. B.) Excessive load. B.) See item 1H. 7.) Hoist operates sluggishly. A.) Excessive load. A.) See item 1H.
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Page 20: Electrical Data
ELECTRICAL DATA Table 10c. Electric Brake Data DC Brake Coil Nominal Current *D.C. Resistance Models TO DETECT OPEN AND SHORT CIRCUITS IN Voltage (Amps) (Ohms) ELECTRICAL COMPONENTS 0.243 424.4 Open circuits in the coils of electrical components may be detected B, C and F 0.122 1681... -
Page 21: Torque Specifications
TORQUE SPECIFICATIONS Table 11a. Torque Specification: All Models Table 11c. Torque Specification: Models J-RR *Recommended *Recommended Fastener Fastener Seating Torque Seating Torque Fastener Tool Required Fastener Tool Required Description Description ft-lbf ft-lbf Motor Housing / Gear 1/4"-20 Socket 5/16"-18 Socket Brake End Cover 3/16"... - Page 22 NOTES P/N: 10001681 (REV AF) August 2020...
- Page 23 USA: Ph: (800) 888.0985 • (716) 689.5400 • Fax: (716) 689.5644 • www.cmworks.com CANADA: Ph: (877) 264.6478 • Fax: (877) 264.6477 • www.cmworks.com GERMANY: Ph: +49 7940 128-0 • Fax +49 7940 55665 • www.stahlcranes.com P a r t n e r s M o t i o n C o n t r o l P/N: 10001681 (REV AF) August 2020...
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