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Summary of Contents for RITE-HITE Dok-Lok STR-4000
- Page 1 STR-4000 Dok-Lok ® Vehicle Restraint Owner’s Manual MADE IN U.S.A. This Manual Covers Serial No. 05GD150001W And Up PRINTED IN U.S.A. RITE-HITE PRINT SHOP PUBLICATION NO. 1191 Copyright 2004, 2005 AUGUST 2005...
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Page 2: Table Of Contents
RITE-HITE representative. The STR-4000 DOK-LOK vehicle restraint by RITE-HITE is intended to provide a safer workplace for workers in shipping and receiving dock areas. The STR-4000 DOK-LOK vehicle restraint is an hydraulic restraint device that, when properly installed and operated, retains a secure connection between the truck and dock. -
Page 3: Safety Warnings
RITE-HITE ® Corporation does not recommend any particular lockout device, but recommends the utilization of an OSHA approved device (refer to OSHA regulation 1910.147). RITE-HITE ® Corporation also recommends the review and implementation of an entire safety program for the Control of Hazardous Energy (Lockout/Tagout). These regulations are available through OSHA publication 3120. -
Page 4: Owners Responsibility
RITE-HITE STR-4000 DOK-LOK Owner’s Manual OWNER RESPONSIBILITY The owner should recognize the inherent danger As with any piece of machinery, dock equipment of the interface between dock and transport requires routine maintenance, lubrication, and vehicle. The owner should, therefore, train and adjustments. -
Page 5: Definition And Function
RITE-HITE STR-4000 DOK-LOK Owner’s Manual DEFINITION AND FUNCTION The STR-4000 DOK-LOK vehicle restraint is a hydraulic, The normal mode of the hook is in the lower STORED self-aligning restraint device used to secure trucks and position, with support cylinders retracted showing a semi-trailers with an intact Rear Impact Guard (R.I.G.) to... -
Page 6: Features
RITE-HITE STR-4000 DOK-LOK Owner’s Manual FEATURES Refer to Figure 2, page 7 for the locations of the following CARRIAGE ASSEMBLY features: Sloped front provides self-positioning by the R.I.G. and restrains the trailer once the hook has been activated by R.I.G. - Page 7 RITE-HITE STR-4000 DOK-LOK Owner’s Manual inside light outside control sign signs hook hook cylinder sensing switch's power unit carriage roller assembly carriage assembly support cylinders auxillary manifold return springs and tubes slope extension support switch base plate roller track assembly...
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Page 8: Operating Procedure
Owner’s Manual. • Call your local representative or RITE-HITE Stored Position / Restraint UNLOCKED at (800) 456-0600 with any questions. Barrier is in the STORED position. Inside light is flashing FAILURE TO FOLLOW THESE PROCEDURES red alerting forklift operator unsafe condition exists. - Page 9 RITE-HITE STR-4000 DOK-LOK Owner’s Manual Restraint Locking, LOCK Button Pressed Trailer has backed into loading dock and is parked firmly against dock bumpers. Hook rotates from stored position to entrap the R.I.G. while the support cylinders extend to support the carriage. Inside light is steady red alerting the operator that an unsafe condition exists while hook and support cylinders are in transit.
- Page 10 RITE-HITE STR-4000 DOK-LOK Owner’s Manual Restraint UNLOCKING, UNLOCK Button Pressed transit. Outside light is flashing red alerting truck driver Hook travels from the LOCKED position to the STORED not to move. position while the support cylinders retract. Inside light is steady red alerting the operator that an unsafe...
- Page 11 RITE-HITE STR-4000 DOK-LOK Owner’s Manual HORN OVERRIDE State, HORN OVERRIDE NOTE: The unit will continue to store itself (approx. 20 Code Entered after Securing Trailer by seconds) after the horn has been silenced Alternate Means from the FAULT STATE. An alternate means of securing the truck must be used if the hook can not capture the rear impact guard.
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Page 12: Maintenance
Inspect dock bumpers. Four inches (4") of chemicals, frequency of usage, etc.). Consult protection is required. Worn, torn, loose or missing RITE-HITE if these conditions exist for bumpers must be replaced. accelerated maintenance requirements. Perform operational test after all maintenance repairs and adjustments are complete. - Page 13 RITE-HITE STR-4000 DOK-LOK Owner’s Manual LUBRICATION DETAIL SAE 30 Weight Oil Grease Dry Spray Lubricate NOTE: Use a dry spray lubricate in slots and on the outside of lower spring tubes as shown. Figure 9 - Lubrication Pub. No. 1191 — August 2005...
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Page 14: Troubleshooting
RITE-HITE STR-4000 DOK-LOK Owner’s Manual TROUBLESHOOTING GENERAL DIAGNOSTIC INFORMATION Problem Probable Cause Solution 1. DOK-LOK vehicle restraint hook does a. Power source malfunction. a. Check power source including building not raise and lights do not flash. circuit breaker, 1A and 20A fuse on the power module. -
Page 15: Horn Override Code And Diagnostics
RITE-HITE STR-4000 DOK-LOK Owner’s Manual HORN OVERRIDE CODE AND DIAGNOSTICS SETTING HORN OVERRIDE CODE DIAGNOSTICS 1. Press and hold DIAGNOSTIC button until horn Diagnostic mode may be entered while the restraint is in chirps (approximately three seconds). any state. To enter diagnostic mode: 2. - Page 16 RITE-HITE STR-4000 DOK-LOK Owner’s Manual HORN OVERRIDE CODE AND DIAGNOSTICS CONT. Steps 12 - 14 are used to test the mechanical Inputs and Outputs of the lock (ie. motor, limit switches, etc.). The horn will chirp when the controls enter Steps 12 - 14 to alert the operator to check the hook position.
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Page 17: Component Testing
RITE-HITE STR-4000 DOK-LOK Owner’s Manual COMPONENT TESTING sensing switch Mag. Res Limit Switch Test Procedure (SW1 & SW2) 1. Switch must be installed to test. Apply 12VDC magnet power to the green lead (black lead common). 2. Set multimeter to VDC scale for DC voltage test. - Page 18 RITE-HITE STR-4000 DOK-LOK Owner’s Manual COMPONENT TESTING hydraulic power unit DOK-LOK Vehicle Restraint Motor Test 1. BAD O/L: Little or infinite ohm reading (no needle multimeter movement) between leads. Set multimeter to ohms. Std. readings: Between leads M1 and COM = approx. .8 ohm 2.
- Page 19 RITE-HITE STR-4000 DOK-LOK Owner’s Manual VALVE BLOCK ASSEMBIES Adjustable NOTE: MOUNTED ON STR-4000 CARRIAGE. Relief Valve Hook Cylinder Lower To Retract (HL) Power Unit or Combo Valve Block Raise Support Cylinder (Left) Lower Support Hook Cylinder Pressure To Cylinder (Left)
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Page 20: Electrical Schematic - Stand Alone Power Unit
RITE-HITE STR-4000 DOK-LOK Owner’s Manual ELECTRICAL SCHEMATIC - STAND ALONE POWER UNIT To Customer Power Supply MCom 120v, 1PH, 60Hz, 20 Amp. 30 Amp. Rated Fused Disconnect Motor - 1 H.P. With 20 Amp. Dual Element Time 120v. 1Ph. 50/60 Hz. -
Page 21: Electrical Schematic - Combination Power Unit
RITE-HITE STR-4000 DOK-LOK Owner’s Manual ELECTRICAL SCHEMATIC - COMBO POWER UNIT To Customer Power Supply 120v, 1PH, 60Hz, 15 Amp. Fused Disconnect With 1 Amp. Dual Element Time Delay Fusing (Supplied By Others) NOTE: Lip Block Solenoid Not Used When Combining Dok-Lok... -
Page 22: Hydraulic Schematic - Stand Alone Power Unit
RITE-HITE STR-4000 DOK-LOK Owner’s Manual HYDRAULIC SCHEMATIC - STAND ALONE POWER UNIT HOOK CYLINDER 1.25 x 3 x .5 ROD (HOOK RAISE) (HOOK LOWER) #4SAE #4SAE Relief Valve, 2000 PSI Check (LOWER) Valve #6SAE Pilot To Open Check Valve (MAIN LOWER) -
Page 23: Hydraulic Schematic - Combination Power Unit
RITE-HITE STR-4000 DOK-LOK Owner’s Manual HYDRAULIC SCHEMATIC - COMBO POWER UNIT HOOK CYLINDER 1.25 x 3 x .5 ROD (HOOK RAISE) (HOOK LOWER) #4SAE #4SAE Relief Valve, 2000 PSI Check (LOWER) Valve #6SAE Pilot To Open Check Valve (MAIN LOWER) -
Page 24: Warranty
RITE-HITE ® in writing. In the event of any defects covered by this warranty, RITE-HITE ® will remedy such defects by repairing or replacing any defective equipment or parts, bearing all the costs for parts, labor, and transportation. This shall be the exclusive remedy for all claims whether based on contract, negligence, or strict liability.
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