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RITE-HITE Wheel-Lok GWL-2300 Owner's Manual - Snow Removal Procedure
12
Pub. No. 1177 - November 2010
RITE-HITE
®
GWL-2300 Owner’s Manual
SNOW REMOVAL PROCEDURE
In the event of snow fall, please follow the procedure
below to clear and remove snow from the truck approach.
PROCEDURE
1. Using the service strut, move the locking arm
assembly all the way towards the dock face. See
Figure 11.
2. Back drag snow from the approach. Be sure not to hit
the wheel guides, locking arm assembly, trigger,
barrier ramp and frame assembly with the plow.
3. Return the locking arm assembly to the stored
position after completion of snow removal.
4. Remove snow against dock by alternate means
(shovel, snowblower, etc.).
5. Manually clean on and around unit to prevent ice
build-up.
RECOMMENDED LIQUID DE-ICER
Any Calcium-Cloride based liquid de-icer.
Engage Locking Arm Assembly With Service Strut
Service
Strut
Move To Rearmost Position
Return To Stored Position
FIGURE 11 - SNOW REMOVAL
Wheel guides, locking arm assembly, trigger, or
frame assembly may be buried underneath
snow, thus not visible. Unseen obstructions
may cause damage to equipment and/or bodily
harm during snow removal if they should come
into contact with the snow removal equipment.
Summary of Wheel-Lok GWL-2300
Page 1
Gwl-2300 wheel-lok tm vehicle restraint owners manual this manual covers restraints built after serial numbers: gw231001 and up printed in u.S.A. Rite-hite print shop publication no. 1177 november 2010 made in u.S.A..
Page 2: Table of Contents
2 pub. No. 1177 - november 2010 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 2 safety warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3: Safety Warnings
Pub. No. 1177 - november 2010 3 rite-hite ® gwl-2300 owner’s manual safety warnings lockout/tagout procedures the occupational safety and health administration requires that, in addition to posting safety warnings and barricading the work area, the power supply has been locked in the off position or...
Page 4: Owner Responsibility
4 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual owner responsibility 1. The owner should recognize the inherent danger of the interface between dock and transport vehicle. The owner should, therefore, train and instruct operators in the safe use of dock equipment in accordance wi...
Page 5: Definition And Function
Pub. No. 1177 - november 2010 5 the gwl-2300 vehicle restraint is a truck and trailer locking system used to help secure trucks and trailers to the face of a loading dock. The engagement mechanism is positioned by the trailer as it approaches the loading dock. The locking arm assembly, which blocks ...
Page 6: Features
See figure 4 for locations of these features. Hydraulic cylinder moves the lifting rails back and forth, thus raising or lowering the locking pawl into place. Power unit enclosure houses the 120 vac hydrualic power unit and terminal block assembly. Barrier shaft the shaft which serves as the restrai...
Page 7
Pub. No. 1177 - november 2010 7 rite-hite ® gwl-2300 owner’s manual control box outside signs maintenance strut power unit enclosure frame assembly lifting rails hydraulic cylinder trigger assembly barrier ramp locking arm assembly barrier shaft pawl assembly locking arm trolley assembly trigger tro...
Page 8: Operating Procedures
Stored position / restraint unlocked if the gwl-2300 vehicle restraint is in the unlocked position (shaft assembly is down and stored in barrier ramp), the light communication system should give the following signals: 1. Outside light flashing green, which indicates that a vehicle may pull into or o...
Page 9
Pub. No. 1177 - november 2010 9 rite-hite ® gwl-2300 owner’s manual outside lights outside light status red inside lights control box status gwl-2300 position green red lock unlock override horn 3 2 1 green figure 6 - truck locked against the bumpers restraint locked if the gwl-2300 vehicle restrain...
Page 10
10 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual fault state from locking state in case the locking mechanism can not engage properly, the alarm will sound. The outside and inside lights will show flashing red. The light communication, alarm and truck position are shown in figure...
Page 11
Pub. No. 1177 - november 2010 11 rite-hite ® gwl-2300 owner’s manual vehicle release during loss of power during loss of power, the gwl-2300 vehicle restraint will not automatically disengage the vehicle being serviced. The truck must be manually released by the following method. See figure 9. Proce...
Page 12: Snow Removal Procedure
12 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual snow removal procedure in the event of snow fall, please follow the procedure below to clear and remove snow from the truck approach. Procedure 1. Using the service strut, move the locking arm assembly all the way towards the dock ...
Page 13: Maintenance
Note: your local rite-hite ® representative provides a planned maintenance program (p.M.P.) which can be fitted to your specific operation. Call your local representative. Daily 1. Remove dirt, snow, ice and debris around gwl-2300 vehicle restraint. 2. Verify inside, outside lights and horn are work...
Page 14
180 days 1. Do all the daily and 90 day maintenance. 2. Tighten the anchor bolts to 100 ft-lbs. 3. Check barrier roller tube for damage. 4. Check if all the bolts on the uhmw strip are tight. 5. Manually push the locking arm weldment along the length of the frame to verify smooth operation. If stick...
Page 15: Troubleshooting
Pub. No. 1177 - november 2010 15 rite-hite ® gwl-2300 owner’s manual troubleshooting problem probable cause remedy 1. Cylinder does not extend when motor circuit breaker tripped, or bad. Replace or reset. Lock pushbutton is pushed. Note: a motor fuse is not required, unit uses circuit breaker only. ...
Page 16
Component testing sensing switch test procedure 1. Set multimeter to “rx1” scale for “continuity test”. 2. Attach multimeter leads to white and black wires of mag. Reed switch connector. You should have: — no magnet present — no meter reading. — magent present — a “full scale” meter reading. Motor t...
Page 17: Led Status Chart
Pub. No. 1177 - november 2010 17 rite-hite ® gwl-2300 owner’s manual led status chart figure 16 - led status chart led inputs led outputs stored (unlocked) f t - - - p f f p f f f f * t locking f f m - - p f p f f t f f * t locked t f - - - f p p f f f f t * t storing (unlocked) f f - m - t f p f f ...
Page 18
Setting horn override code 1. Press and hold diagnostic button until horn chirps (approximately three seconds). 2. Enter the factory preset horn override code:1223. 3. Enter the new horn override code. The code can be one to four numbers in length. 4. Once the new code has been entered, press the lo...
Page 19
Steps 12 – 15 are used to test the mechanical inputs and outputs of the lock (i.E. Motor, sensors, etc.). The horn will chirp when the controls enter steps 12 – 15 to alert the operator to check the hook position. If the sensor does not read the appropriate input, the horn will double pulse and the ...
Page 20
20 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual electrical schematic (standard) motor lock motor unlock no fuse required diagnostic button cpu module (5) (6) (7) ground lugs note: use included female spade connectors for installation. Legend label led lamp denotes field wiring 5...
Page 21
Pub. No. 1177 - november 2010 21 rite-hite ® gwl-2300 owner’s manual electrical schematic (options module) cpu module photoeye inter- connect hydraulic inter- connect raise legend lable led lamp denotes field wiring leveler/overhead door stored interlock mechanical/ fa inter- connect note: use inclu...
Page 22: Outside Light Box Wiring
22 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual outside light box wiring #40 wire white wire red wire #42 wire white wire red wire #41 wire red lamp green lamp light box cover figure 20 - outside light box wiring.
Page 23: Notes
Pub. No. 1177 - november 2010 23 rite-hite ® gwl-2300 owner’s manual notes.
Page 24
24 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual track assembly replacement parts c b d a e f detail f detail c detail b detail a detail e detail d note: use loctite on screw. Do not over torque. Note: distance from back of nut to back of switch (wire end) is 5/16". Use loctite o...
Page 25
Pub. No. 1177 - november 2010 25 rite-hite ® gwl-2300 owner’s manual item qty description part number 1 1 back side cover 106944 2 1 maintenance strut 106943 3 9 hex. Cap screw 1/4"-20 x 1/2" long stainless steel 106939 4 35 washer 1/4" stainless steel 106956 5 1 front side cover 106947 6 32 screw ....
Page 26
26 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual wheel guides & barrier ramp replacement parts 1 2 3 4 item qty description part number 1 1 wheel guide long 100262 2 1 barrier ramp 107633 3 24 anchor bolt 5/8" x 4" 53150 4 1 wheel guide short 100263.
Page 27
Locking arm assembly replacement parts pub. No. 1177 - november 2010 27 rite-hite ® gwl-2300 owner’s manual 2 3 4 5 6 8 9 17 18 20 19 16 15 14 13 10 1 locking arm assembly (complete) 12 11 19 7 22 21 23 item qty description part number 1 1 locking arm assembly - complete (includes items 2-20) 120032...
Page 28
28 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual locking arm trolley replacement parts 2 3 3 2 11 14 8 12 13 4 9 6 5 7 8 1 locking arm trolley (complete) 18 10 10 16 17 15 20 19 22 21 item qty description part number 1 1 locking arm trolley assembly - complete (includes items 2 -...
Page 29
Pawl assembly replacement parts pub. No. 1177 - november 2010 29 rite-hite ® gwl-2300 owner’s manual 1 pawl assembly (complete) 2 2 3 3 4 4 5 6 7 front view side view 8 5 6 item qty description part number 1 1 pawl assembly - complete 112584 2 1 pawl weldment 112585 3 2 uhmw slider 112756 4 1 snaggl...
Page 30
30 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual trigger assembly replacement parts 3 4 5 6 7 8 1 2 10 11 9 12 13 9 item qty description part number 1 1 trigger assembly – complete 106893 2 1 trigger weldment 106894 3 2 round tube 2-1/2" od, 1-1/2" id x 5-1/8" long 106913 4 1 cap...
Page 31
Trigger trolley assembly replacement parts pub. No. 1177 - november 2010 31 rite-hite ® gwl-2300 owner’s manual 2 3 5 12 14 16 14 8 8 17 9 10 11 1 trigger trolley assembly (complete) 4 6 13 7 7 15 18 19 21 20 item qty description part number 1 1 trigger trolley assembly - complete (includes items 2 ...
Page 32
32 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual electrical replacement parts.
Page 33
Pub. No. 1177 - november 2010 33 rite-hite ® gwl-2300 owner’s manual electrical replacement parts list item qty description part number 1 1 control box assembly, complete (consult rite-hite for specific part) 103.Xxx 2 1 electrical schematic decal (consult rite-hite for specific part) 108.Xxx 3 4 li...
Page 34
34 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual miscellaneous replacement parts 7 6 5 10” gwl-2300 ® vehicle restraint owner’s manual printed in u.S.A. B yrite-hite®print shop publication no. 1177 copyright 2003 rite-hite ® febuary 2003 serial no.Gw231001 & up 4” 8” 1 12-1/4” 6-...
Page 35
Hydraulic power unit replacement parts pub. No. 1177 - november 2010 35 rite-hite ® gwl-2300 owner’s manual 1 5 14, 4 door hinge on this side (removed for clarity) 2 15 9 6, 7 13, 16 12 3 10 jam nut comes with item #10 11 8, 17 g 1 2 3 4 5 6 7 18 19 20 21 item qty description part number 1 1 power u...
Page 36
36 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual left hand track assembly replacement parts detail b detail a note: use loctite on screw. Do not over torque. 6 7 8 9 8 7 6 detail e note: distance from back of nut to back of switch (wire end) is 5/16". Use loctite on both nuts. A ...
Page 37
Pub. No. 1177 - november 2010 37 rite-hite ® gwl-2300 owner’s manual item qty description part number 1 1 back side cover 109898 2 1 maintenance strut 106943 3 9 hex. Cap screw 1/4"-20 x 1/2" long stainless steel 106939 4 35 washer 1/4" stainless steel 106956 5 1 front side cover 109899 6 32 screw ....
Page 38: Replacement Parts
38 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual left hand wheel guides & barrier ramp replacement parts 1 2 4 3 item qty description part number 1 1 wheel guide long 110072 2 1 barrier ramp 107633 3 24 anchor bolt 5/8" x 4" 53150 4 1 wheel guide short 110073.
Page 39
Pub. No. 1177 - november 2010 39 rite-hite ® gwl-2300 owner’s manual left hand locking arm assembly replacement parts 10 13 11 12 5 4 3 19 2 6 7 22 21 8 9 23 17 18 19 20 16 15 14 1 locking arm assembly (complete) item qty description part number 1 1 locking arm assembly - complete (includes items 2-...
Page 40
40 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual left hand locking arm trolley replacement parts 14 20 22 21 4 1 locking arm trolley (complete) 5 6 9 8 15 17 19 16 18 10 13 12 11 7 2 3 item qty description part number 1 1 locking arm trolley assembly - complete (includes items 2 ...
Page 41
Pub. No. 1177 - november 2010 41 rite-hite ® gwl-2300 owner’s manual left hand pawl assembly replacement parts 1 pawl assembly (complete) 2 2 3 3 4 4 5 6 7 front view side view 8 5 6 item qty description part number 1 1 pawl assembly - complete 127221 2 1 pawl weldment 127220 3 2 uhmw slider 112756 ...
Page 42
42 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual left hand trigger assembly replacement parts 3 2 7 8 1 10 9 11 12 13 6 5 4 item qty description part number 1 1 trigger assembly – complete 108693 2 1 trigger weldment 108694 3 2 round tube 2-1/2" od, 1-1/2" id x 5-1/8" long 106913...
Page 43
Pub. No. 1177 - november 2010 43 rite-hite ® gwl-2300 owner’s manual left hand trigger trolley assembly replacement parts 2 3 14 16 14 1 trigger trolley assembly (complete) 4 15 21 20 17 19 18 8 9 10 11 12 7 13 6 5 item qty description part number 1 1 trigger trolley assembly - complete (includes it...
Page 44
44 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual left hand hydraulic power unit replacement parts door hinge on this side (removed for clarity) jam nut comes with item #10 8, 17 6 7 5 2 4 3 1 g 19 20 21 11 10 3 12 18 13, 16 9 6, 7 15 2 1 5 4, 14 item qty description part number 1...
Page 45: Notes
Pub. No. 1177 - november 2010 45 rite-hite ® gwl-2300 owner’s manual notes.
Page 46: Notes
46 pub. No. 1177 - november 2010 rite-hite ® gwl-2300 owner’s manual notes.
Page 47: Notes
Pub. No. 1177 - november 2010 47 rite-hite ® gwl-2300 owner’s manual notes.
Page 48
National sales & service office: rite-hite ® 8900 n. Arbon drive p.O. Box 245020 milwaukee, wisconsin 53224 phone: 414-355-2600 1-800-456-0600 www.Ritehite.Com representatives in all major cities rite-hite ® standard warranty rite-hite ® warrants that its products will be free from defects in design...