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TROUBLESHOOTING

Problem

Probable Cause Solution

1. Platform does not raise

a. Power has been disconnected.

a. Verify that power has not been

disconnected.

Verify that disconnect circuit breaker

or fuses are not tripped.

b. The motor has been miswired.

b. Verify that the motor has been wired

according to the motor wiring

diagram.

c. Overload tripped.

c. Push RESET on overload relay.

d. Debris is lodged on or around

d. Check for and remove any lodged

the leveler.

materials on or around the leveler.

e. Hydraulic fluid level is low.

e. Check oil level when the unit is held

open with the maint. support.

Refill if necessary.

2. Leveler runs continuously.

a. The pushbutton, contact block

a. Repair or replace components.

or motor contactor damaged.

3. Lip extends slowly and/or does not

a. Debris on lip hinge.

a. Remove debris from the lip hinge.

extend.

b. Lip impacted or bent.

b. Lubricate per maintenance

procedures or replace lip.

c. Hydraulic fluid level low.

c. Check oil level when unit is held

open with the maint. support.

Refill if necessary.

4. Platform does not lower.

a. Velocity fuse has locked up.

a. Attempt to raise the unit to unlock the

velocity fuse.

b. Debris is lodged on or around

b. Check and remove any lodged

the leveler.

debris on or around leveler.

5. Platform raises very slowly.

a. Weight on top of platform.

a. Remove weight from platform.

b. Hydraulic fluid level is low.

b. Check oil level when the unit is held

open with the maint. support.

Refill if necessary.

c. Low voltage

c. Verify ± 10% nominal voltage while

unit is running.

d. Power unit/pump/motor failure.

d. Replace power unit assembly.

6. Lip does not store properly.

a. The lip stop bolt is not adjusted

a. Verify that the lip stop bolt is properly

properly.

adjusted.

b. Debris.

b. Remove debris.

c. Lip supports.

c. Repair or replace the lip supports.

7. Fuse or circuit breaker trips.

a. Undersized fuse or circuit

a. Verify 25 amp for 120VAC/1PH and

breaker.

10 amp for 240VAC/1PH.

b. Low voltage.

b. Verify ± 10% nominal voltage while

unit is running.

c. Short circuit in wiring.

c. Check wiring connections and verify.

d. Wire gage is too small. Distance

d. Verify minimum wire gage per

is too long.

distance is correct. See chart on

page 16.

Rite‑Hite

Owner’s Manual

RHH‑5000 High Capacity Dock Leveler

Publication:

AMEN00206 2020-02-04

Содержание RHH-5000

Страница 1: ...NTENANCE 10 LEVELER ADJUSTMENTS 12 TROUBLESHOOTING 15 ELECTRICAL WIRING CHARTS 18 ELECTRICAL SCHEMATICS 19 PARTS 26 WARRANTY 40 RHH 5000 High Capacity Dock Leveler Owner s Manual Model RHH5000 Publication AMEN00206 2020 02 04 Language English ...

Страница 2: ...726432 6773221 6832403 7032267 7062814 7213285 7216391 7363670 7380305 7503089 7533431 7546655 7584517 7681271 7823239 7841823 7877831 7914042 8006811 8065770 8141189 8191194 8286757 8287223 8303235 8307956 8443474 8464384 8464846 8465245 8497761 8499897 8544130 8547234 8590087 8590673 8616826 8657551 8662535 8678736 8690087 8905198 9010501 9096170 9096397 9126775 9139384 9145273 9150367 9174811 9...

Страница 3: ...ntenance lubrication and adjustments 6 Dock equipment that is structurally damaged shall be removed from service inspected by a manufacturer s authorized representative and repaired as needed before being placed back in service 7 The manufacturer shall make available replacement nameplates caution instruction labels and operating maintenance manuals upon request of the owner The owner shall see th...

Страница 4: ...ly states repairs are being made Identifies person responsible for lockout condition NOTE Only this person should be able to remove warnings and lockout device Withstands environmental conditions weather wet and damp etc and remains readable General DANGER When working with electrical or electronic controls make sure that the power source has been locked out and tagged according to approved local ...

Страница 5: ...t on the underside of the lip Lockout Tagout power supply Turn off the power to the control box Lockout tagout the main power source as shown under Safety Warnings on the inside front cover of this manual Always barricade the leveler at dock level and drive level to prevent any unauthorized use of the leveler Remove the Maintenance Support For Safe T StrutTM removal have an assistant raise the lev...

Страница 6: ...ever operate the leveler with you anyone or anything on or in front of the leveler or without a truck trailer parked in position or from on the truck trailer bed DO NOT operate with anyone under platform or in front of the lip When leveler is not in use always store it so that it is supported by the lip supports and that it is level with the surrounding dock floor If a malfunction does occur alway...

Страница 7: ...Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 7 ...

Страница 8: ...west position and the lip will begin to lower As the lip drops toward the pendant position the ARTD system automatically returns the leveler to the stored position without operator assistance END LOADING OPERATION NOTES On units without a Safe T Lip end load at dock level and above can be handled with the leveler in its stored position 1 For units with Safe T Lip or all below dock end loads activa...

Страница 9: ...he leveler push and hold the RAISE button until leveler is about 6 inches above dock level and lip is fully pendant 2 Release RAISE button Leveler will lower to dock level with lip resting in the lip supports See figure 8 NOTE On Powered levelers with Automatic Return to Dock ARTD If the lip is on the truck trailer and the truck departs the leveler will move to its lowest position and the lip will...

Страница 10: ...e if worn 4 Lubricate the leveler with the proper lubricants See figure 9 5 Inspect all weather seals if installed and replace if worn or damaged 6 Inspect dock bumpers Four inches 4 of bumper protection is required Worn torn loose or missing bumpers must be replaced 7 Check conditions of concrete angles and welds Repair or replace if necessary 8 Inspect structure hinge pins clevis pins and cotter...

Страница 11: ...NOTE Apply grease only NOTE Inside and under DRY SPRAY LUBRICANT slots on SAFE T LIP if Zerk Fittings are present OIL SAE 30 WEIGHT NOTE Check Hydraulic Fluid Level FIGURE 9 LEVELER LUBRICATION MAINTENANCE Lubrication Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 11 ...

Страница 12: ...ip falls a minimum of 4 before ARTD is initiated If not move the cam forward slightly NOTE It is not recommended to position the ARTD cam in front of the ARTD limit switch centerline 7 8 Ref C 1 16 ARTD Limit Switch Rear Collar ARTD Cam Front Washer Front Collar NOTE There Should Be A Small Amount Of Free Movement Between The ARTD Cam And The Rear Collar When The Rear Collar Is Pushed Against The ...

Страница 13: ...er must be adjusted to extend the lip in 3 to 4 seconds 2 Remove protective cap and O ring Loosen locknut without turning valve body or adjustment screw Turn adjustment screw to vary lip extension speed Adjustments should be no more than 1 8 turn increments 3 Turn adjustment screw clockwise to decrease the speed the lip will extend If the lip begins to extend at any time before the platform has fu...

Страница 14: ...xtend the Sequence Valve is set too high 2 Loosen adjustment nut 3 Turn adjustment screw in completely clockwise with an Allen wrench See Figure 14 4 Back screw out 5 1 2 turns to get to factory starting point and tighten adjustment nut 5 Press RAISE button and run the platform up until the lip extends 6 Verify that the lip extends only at the top of the ramp cylinder stroke If not continue with S...

Страница 15: ...atform does not lower a Velocity fuse has locked up a Attempt to raise the unit to unlock the velocity fuse b Debris is lodged on or around b Check and remove any lodged the leveler debris on or around leveler 5 Platform raises very slowly a Weight on top of platform a Remove weight from platform b Hydraulic fluid level is low b Check oil level when the unit is held open with the maint support Ref...

Страница 16: ...After a 60 second rest period system will automatically enter the REST STATE and resume normal operation LED Status Chart Dok Commander Controls Varies depending on operation F Off ITL Interlock input on M Lights when button pressed P Pulsing Flashing set to steady using DIP switches T Steady On MICRO CONTROL BOARD POWER BOARD LEVELER AUX BOARD INPUTS OUTPUTS OUTPUTS FIELD PUSH BUTTONS 12VDC 12VDC...

Страница 17: ...Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 17 ...

Страница 18: ... C D T1 T2 1 2 3 4 5 8 T1 T2 1 2 3 4 5 8 IF ROTATION IS WRONG REVERSE 5 AND 8 3 PH CONNECTION DETAIL E 1 2 3 4 5 8 IF ROTATION IS WRONG REVERSE ANY 2 LINES G E F T1 T2 T3 T1 T2 T3 T1 T2 T3 7 9 6 1 2 3 1 2 3 4 5 8 7 9 6 NOTE For line lengths over 200 ft contact your local Rite Hite representative RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 18 Publication AMEN00206 2020 02 04 ...

Страница 19: ...HEMATICS FIGURE 15A ELECTRICAL SCHEMATIC 115V 60HZ SINGLE PHASE PAGE 1 OF 2 RHH50 115V Schematic_Updated 2016 6 9 pdf Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 19 ...

Страница 20: ...LECTRICAL SCHEMATIC 115V 60HZ SINGLE PHASE PAGE 2 OF 2 ELECTRICAL SCHEMATIC RHH50 115V Schematic_Updated 2016 6 9 pdf RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 20 Publication AMEN00206 2020 02 04 ...

Страница 21: ...CTRICAL SCHEMATIC 230V 60HZ SINGLE PHASE PAGE 1 OF 2 ELECTRICAL SCHEMATIC RHH50 230V 1PH Schematic_Updated 2016 6 9 pdf Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 21 ...

Страница 22: ...CTRICAL SCHEMATIC 230V 60HZ SINGLE PHASE PAGE 2 OF 2 ELECTRICAL SCHEMATIC RHH50 230V 1PH Schematic_Updated 2016 6 9 pdf RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 22 Publication AMEN00206 2020 02 04 ...

Страница 23: ... 17A ELECTRICAL SCHEMATIC THREE PHASE PAGE 1 OF 3 ELECTRICAL SCHEMATIC RHH50 3PH Schematic_Updated 2016 6 9 pdf Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 23 ...

Страница 24: ... 17B ELECTRICAL SCHEMATIC THREE PHASE PAGE 2 OF 3 ELECTRICAL SCHEMATIC RHH50 3PH Schematic_Updated 2016 6 9 pdf RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 24 Publication AMEN00206 2020 02 04 ...

Страница 25: ... 17C ELECTRICAL SCHEMATIC THREE PHASE PAGE 3 OF 3 ELECTRICAL SCHEMATIC RHH50 3PH Schematic_Updated 2016 6 9 pdf Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 25 ...

Страница 26: ...PARTS Control Box FIGURE 18 CONTROL BOX ASSEMBLY RHH50 Enclosure Layout 2020 01 31 pdf RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 26 Publication AMEN00206 2020 02 04 ...

Страница 27: ...147845 303 1 Fuse replacement decal 144850 307 1 Cover decal stand alone pit leveler 144361 1 Cover decal stand alone pit leveler IFC 144357 308 1 Emergency stop overlay decal English 144836 309 1 Operation danger warning decal for pit leveler 144844 1 Operation danger warning decal for pit leveler IFC 144846 310 1 Lockout tagout multiple disconnect warning decal 114331 QTY DESCRIPTION PART 311 1 ...

Страница 28: ...RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 28 Publication AMEN00206 2020 02 04 ...

Страница 29: ...USE 7 GPM SPX LIP PORT DECK PORT LIP CYLINDER 2 5 X 6 S A RAMP CYLINDER 4 X 14 S A 6 4 X 18 S A 8 10 4 X 20 S A 12 VELOCITY FUSE 7 GPM IFC ESB VALVE OPTIONAL SYSTEM RELIEF 1250 PSI MOTOR 1HP 3450 PSI MP LIP PTC 17 1 POWERUNIT BUCHER SEQUENCE VALVE 950 PSI 100 PSI 1 LIP PTO 3 1 RAMP PTC 3 1 FLOW CONTROL FIGURE 19 HYDRAULIC SCHEMATIC PARTS Hydraulic Schematics SPX and Bucher Rite Hite Owner s Manual...

Страница 30: ...27 33 3 21 24 23 28 26 29 27 25 22 31 30 32 FIGURE 20 SPX HYDRAULIC ASSEMBLY PARTS AND ROUTING NOTE 4 Lb ft max torque on solenoid valve steam nut ref item 31 over tightening may cause valve coil failure FIGURE 21 SPX POWERUNIT AND IFC PARTS RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 30 Publication AMEN00206 2020 02 04 ...

Страница 31: ...4767 13 2 Elbow 90 8 MJ 8 FJS 16921 14 2 Elbow 90 L 4 MAORB 4 MJ 16918 15 2 Elbow 90 375 MP 25 HB 17806 16 1 Elbow 90 L 6 MAORB 6 MJ 16917 17 1 Decal Oil Hyd BIO FL 85 119530 18 2 Hose 25ID Bulk 55372 19 1 Fitting Y 25BARB 17807 20 1 Fitting STRT 38NPT 25BARB 128179 21 1 System Relief Valve 128908 22 1 Shuttle Valve 19092 23 1 Sequence Valve 102664 24 1 Check Valve Pilot To Open 114336 25 1 Check ...

Страница 32: ...1 18 16 12 15 34 35 27 23 39 38 37 28 19 31 29 2 14 3 7 8 10 19 20 30 6 37 21 30 37 13 31 26 23 32 23 9 38 33 37 25 24 22 36 FIGURE 22 BUCHER HYDRAULIC ASSEMBLY PARTS AND ROUTING RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 32 Publication AMEN00206 2020 02 04 ...

Страница 33: ...6918 16918 16918 20 1 Elbow fitting 6 16917 16917 16917 16917 21 1 Elbow fitting 8 17808 17808 17808 17808 22 2 Elbow fitting 8 16921 16921 16921 16921 23 3 Elbow fitting barb 17806 17806 17806 17806 24 1 Elbow fitting 4 16924 16924 16924 16924 25 1 Elbow fitting 6 55396 55396 55396 55396 26 1 Y fitting 17807 17807 17807 17807 27 1 Main Cylinder 28 1 Lip Cylinder 119291 119291 119291 119291 29 1 V...

Страница 34: ... RH 42 43 44 3 34 31 18 29 18 30 22 23 23 17 4 15 6 8 5 10 11 9 2 20 33 18 33 24 18 45 46 32 26 37 LH 40 RH 27 25 41 49 17 PARTS Leveler Assembly RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 34 Publication AMEN00206 2020 02 04 ...

Страница 35: ...e 774d102 775d102 Pin Lip Hinge 1 125 or 1 42 x 38 75L 6 5 7 Wide Stainless Steel 776d102 777d102 18 8 Pin Cotter 188 DIA x 1 50L ZP 51907 51907 19 4 Busing Machine 1 50 OD x 1 00 ID x 134 THK ZP 51730 51730 20 4 Washer Flat 1 SAE ZP 51721 51721 21 2 Pin Tension 25 DIA ZP 123960 52814 22 1 Bolt Hex 75 10 UNC ZP 51186 128925 23 2 Nut 75 10 Hex GR5 ZP 51517 51517 24 2 Washer Split Lock 75 DIA Heavy ...

Страница 36: ...2 43 44 3 34 31 18 29 18 30 22 23 23 17 4 15 6 8 5 10 11 9 2 20 33 18 33 24 18 45 46 32 26 37 LH 40 RH 27 25 41 49 17 PARTS Leveler Assembly Continued RHH 5000 High Capacity Dock Leveler Owner s Manual Rite Hite 36 Publication AMEN00206 2020 02 04 ...

Страница 37: ...1 756d103 40 Toeguard Fan Full 075 x 12 LH Not Shown 756d100 756d101 756d101 756d104 41 Toeguard Fan Extd 14GA x 11 1Slot 416d100 416d101 416d101 416d101 REPLACEMENT PARTS SAFE T STRUT From Page 35 RHH50 J Capacity 19 5 23 5 6L 16645 52 75 104734 55 80L 15799 53 75 146175 60 25 8L 104736 57 146175 60 25 10L 104734 55 146175 60 25 12L 104736 57 146175 60 25 RHH50 L or M Capacity 19 5 23 5 6L 16645 ...

Страница 38: ...Bushing 375 x 50 x 50L 68162 10 2 Retainer Clip 50 Dia 19650 11 2 Collar Shaft 3 8ID x 7 8OD Blk 68163 12 2 Flat Washer 3 8ID x 7 8OD 18 8 SS 18261 13 1 Cam Pivot Tube 3 156L 125410 14 1 Rotory Cam 3 125L 125408 15 1 Counter Weight Plate 3 125L 68167 16 2 Sht Metal Screws 4 x 375L 68161 17 1 Limit Switch Assembly 119557 18 2 Bolt Hex 25 20 UNC x 75 Gr5 ZP 51648 19 4 Washer 25 LK MED ZP 51800 20 2 ...

Страница 39: ...t Shown 51100 3 1 Chain Assembly Lanyard Twist 1 0 ZP 510dXXX 4 3 S Hook 219 Wire 51102 5 1 Extension Spring 654 OD Wire 0915Dia 2106 6 1 Chain Assembly ELL To Lip Lug 7 25L 131495 PARTS Endload Legs Rite Hite Owner s Manual RHH 5000 High Capacity Dock Leveler Publication AMEN00206 2020 02 04 39 ...

Страница 40: ... Owner s premises for the purpose of repairing or replacing the Product or y return of the Product to the Rite Hite F O B Rite Hite s factory NOT WARRANTED Rite Hite does not warrant against and is not responsible for wear items such as fuses batteries bulbs vision and seals No implied warranty shall be deemed to cover damages that result directly or indirectly from i the unauthorized modification...

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