Harrington Hoists TCR owner manual 1Troubleshooting Guide Symptom Cause Remedy

Page 38

8.0 Troubleshooting

WARNING

HAZARDOUS AIR PRESSURE IS PRESENT IN THE HOIST, IN THE SUPPLY OF COMPRESSED AIR TO THE HOIST, AND IN CONNECTIONS BETWEEN COMPONENTS.

Before performing ANY maintenance on the equipment, de-energize the supply of compressed air to the equipment, and lock and tag the supply device in the de-energized position. Refer to ANSI Z244.1, “Personnel Protection - Lockout/Tagout of Energy Sources.”

Only Trained and competent personnel should inspect and repair this equipment.

Table 8-1Troubleshooting Guide

	Symptom	Cause	Remedy

		Lack of air pressure or loss of air	Repair or adjust air supply or filters.
		supply.	Repair or adjust air supply or filters.
		supply.
		Seizure of Main Spool, Brake Spool,	Repair at service facility.
		or Air Motor.	Repair at service facility.
		or Air Motor.
	Does not operate	Seizure of brake or brake	Repair at service facility.
	Does not operate	mechanism fails to release.	Repair at service facility.
		mechanism fails to release.
		Bending or crimping of pendant	Correct or repair the bend or crimp in
		control hose(s)	control hose(s)
		Hoist is overloaded.	Reduce the load to the rated capacity
		Hoist is overloaded.	of hoist.
			of hoist.
		Low air pressure at hoist inlet port.	Repair or adjust air supply or filters.
		Low air pressure at hoist inlet port.	Check for air line obstruction.
			Check for air line obstruction.
		Air supply hose or piping is too small.	Replace hose or piping sizes with
		Air supply hose or piping is too small.	recommended sizes in Section 3.0.
			recommended sizes in Section 3.0.
		Malfunction of brake.	Repair at service facility.
		Bending or crimping of pendant	Correct or repair the bend or crimp in
		control hose(s)	control hose(s)
		Lack of sufficient oil in air supply to	Increase oil in air supply to hoist in
	Lifting speed is slow	Lack of sufficient oil in air supply to	accordance with requirements in
		hoist	accordance with requirements in
		hoist	Section 3.0.
			Section 3.0.
		Exhaust Silencer clogged	Clean or replace.
		Air flow capacity of compressed air	Increase air flow capacity of
		Air flow capacity of compressed air	compressed air system to
		system insufficient	compressed air system to
		system insufficient	requirements in Section 2.0.
			requirements in Section 2.0.
		Air motor vanes or bearings worn	Repair at service facility.
		Air supply to hoist contains dirt or	Filter the air supply to the hoist in
		Air supply to hoist contains dirt or	accordance with the requirements in
		debris	accordance with the requirements in
		debris	Section 3.0.
			Section 3.0.
		Lack of air pressure or loss of air	Repair or adjust air supply or filters.
	Unable to lift rated load	supply.	Repair or adjust air supply or filters.
	Unable to lift rated load	supply.
		Improper adjustment of load limiter.	Adjust Load Limiter. See Section 7.1.

38

Image 38

Contents AIR Powered Chain Hoist TCR Series EFFFECTIVEMay1,1,20006Table of Contents Section Important Information and Warnings Terms and SummaryPage Page 1Warning Tag Attached to Air Hoist Technical Information SpecificationsPendant Model Cord 1Hoist Specifications Dimensions 4Top and Bottom Hook Dimension Part NamesPage Air Supply Capacity And Regulation Preoperational ProceduresAir Supply System Requirements Lubrication1Diagram of Air Supply Configuration Typical Piping, Hoses And Fittings1Air Supply Pipe and Hose Sizes Mounting the Hoist Connecting Hoist to Air SupplyMounting Location Non-Stationary Application Preoperational Checks and Trial Operation6Capsized Hook and Chain Page Operation IntroductionShall’s and Shall Not’s for Operation Hoist Controls 1Pendant ControlAdjusting the Controls Cord ControlOperation of the Load Limiter Inspection Classification InspectionGeneral 1Frequent Inspection Frequent InspectionPeriodic Inspection 2Periodic InspectionInspection Methods and Criteria Occasionally Used HoistsInspection Records 3Hoist Inspection Methods and Criteria ActionSee Sections Suspension housing, chain attachments, clevises Figure No TCR10000C2 TCR10000P2For Replacement 6Top Hook & Bottom Hook DimensionsHoists Parts View Recorded Dimension Maximum/Minimum Value Load Chain Lubrication LubricationAir Hoist Lubrication Hooks and Suspension ComponentsMaintenance and Handling Load LimiterBrake Replacement Load Chain3Diagram showing chain replacement Pendant 4Pendant Hose and Strain Relief ConnectionsOutdoor Installation StorageTroubleshooting 1Troubleshooting Guide Symptom Cause Remedy1Troubleshooting Guide Symptom Cause Remedy Warranty Parts Information TCR NameplatePage Page Harrington Hoists, Inc Harrington Hoists Western Division