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RITE-HITE LEVEL-RITE HL-800 Series, Manual

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RITE-HITE LEVEL-RITE HL-800 Series Manual Download Page 36

HL-800 HYDRAULIC DOCK LEVELER 

36

Pub. No. 1167-R2 - April 2003

HYDRAULIC SCHEMATICS

"LIP"

"RAMP"

OPTIONAL

FOR IFC

2W N.O. VALVE

ADJUSTABLE

ORIFICE

Ø.035"

PLUG

1200 PSI

SYSTEM

RELIEF

VALVE

3450 RPM

ANTI-CAVITATION

1.4 GPM

PUMP

@ 880 PSI

FILTER

MICRON

149

MOTOR

VALVE.  900

ADJ SHUTTLE

BACKPRESSURE

PSI AT 5.5 GPM

CHECK

8:1 P.O.

CHECK

VALVE

VALVE.
1000 PSI

SEQUENCE

ADJUSTABLE

PORT

PORT

TANK

ORIFICE

Ø.035"

PLUG

P.T.C.

CHECK

VALVE

8:1

PORT

1.5" x 6" S.A.

2.5 GPM (8')

6 GPM (6')

2.5" x 13.62" S.A. (6')
2.5" x 16.62" S.A. (8')

M

CYLINDER

LIP

VELOCITY FUSE

CYLINDER

RAMP

POWER UNIT ASSEMBLY

Figure 35 - Hydraulic Schematic

Summary of Contents for LEVEL-RITE HL-800 Series

Page 1: ...E HL 800 SERIES HYDRAULIC DOCK LEVELER Owner s Manual PRINTED IN U S A PUBLICATION NO 1167 R2 RITE HITE PRINT SHOP 1 414 355 2600 APRIL 2003 By Rite Hite THIS MANUAL COVERS LEVELERS AFTER SERIAL NUMBE...

Page 2: ...enance Program P M P which can be fitted to your The RITE HITE products in this manual are covered by one or more of the following U S patents 4 560 315 RE 32 968 4 570 277 4 605 353 RE 33 154 4 634 3...

Page 3: ...E PRODUCTS 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 PRODUCTS CORPORATION also...

Page 4: ...HL 800 HYDRAULIC DOCK LEVELER 4 Pub No 1167 R2 April 2003 NOTES...

Page 5: ...Angle For Units Must Be 3 x 3 x 3 16 With 1 2 Dia x 6 Long Concrete Anchors On 12 Centers Important Side Curb Angles Must Be 90 o To Dock Face Important Angle Between Side And Rear Curb Angles Must B...

Page 6: ...eneral Contractor Or Available From RITE HITE at Additional Cost ITEM 1 2 3 4 ANCHOR LAYOUT FOR CURB ANGLES 12 12 IMPORTANT Curb Angles Nelson Studs 1 2 Dia 6 Long Located As Shown 3 3 3 12 12 CONSTRU...

Page 7: ...COMPLETED INSTALLATION IMPORTANT DANGER NEVER BE UNDER THIS LEVELER WITHOUT PLACING THE MAINTENANCE SUPPORT AS SHOWN IN DIAGRAM FOR SUPPORT REMOVAL RAISE LEVELER TO HIGHEST POSITION AND TILT SUPPORT...

Page 8: ...r straight back until the front frame angle is completely behind the front curb angle by no more than 1 4 inch The front frame angle should never extend past the front curb angle If unit cannot be pus...

Page 9: ...1 4 TACK SPACER AS 2 PLACES EACH C L FRAME MUST BE IN CONTACT WITH REAR CURB ANGLE EQUAL GAPS MUST BE MAINTAINED ON EACH SIDE OF LEVELER 1 4 TACK NECESSARY FILL GAP BETWEEN REAR FRAME ANGLE AND REAR C...

Page 10: ...e shims under the rear frame support posts as necessary See Detail J 18 Cut and place shim s between the frame channels and pit floor directly under the ramp cylinder pivot Do not weld shims at this t...

Page 11: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 11 INSTALLATION INSTRUCTIONS CONTINUED FOR LEVELERS WITH SELF FORMING PANS Figure 9 Installation...

Page 12: ...HL 800 HYDRAULIC DOCK LEVELER 12 Pub No 1167 R2 April 2003 INSTALLATION INSTRUCTIONS CONTINUED FOR LEVELERS WITH SELF FORMING PANS Figure 10 Installation...

Page 13: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 13 INSTALLATION INSTRUCTIONS CONTINUED FOR LEVELERS WITH SELF FORMING PANS Figure 11 Installation...

Page 14: ...HL 800 HYDRAULIC DOCK LEVELER 14 Pub No 1167 R2 April 2003 INSTALLATION INSTRUCTIONS CONTINUED FOR LEVELERS WITH SELF FORMING PANS Figure 12 Installation...

Page 15: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 15 INSTALLATION INSTRUCTIONS CONTINUED FOR LEVELERS WITH SELF FORMING PANS Figure 13 Installation...

Page 16: ...HL 800 HYDRAULIC DOCK LEVELER 16 Pub No 1167 R2 April 2003 INSTALLATION INSTRUCTIONS CONTINUED FOR LEVELERS WITH SELF FORMING PANS Figure 14 Installation...

Page 17: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 17 INSTALLATION INSTRUCTIONS CONTINUED ELECTRICAL INSTALLATION Figure 15 Electrical Installation...

Page 18: ...HL 800 HYDRAULIC DOCK LEVELER 18 Pub No 1167 R2 April 2003 INSTALLATION INSTRUCTIONS CONTINUED ELECTRICAL INSTALLATION Figure 16 Electrical Installation...

Page 19: ...line with dock surface and one side is even with the edge 4 Secure each bumper with concrete anchor bolts Torque each bolt to 120 ft lbs 5 Apply logo decal to front curb angle See Detail R 1 With a bu...

Page 20: ...y raise platform until it is level with dock floor and support leveler 5 Locate and weld lip supports to front pit steel as shown in Detail T NOTE If front curb steel does not exist anchor plates must...

Page 21: ...l on the tank when the leveler is resting on the maintenance support When adding oil use only MIL H 5606 or equal See Figure 1 HYDRAULIC FLUID CHECK NEVER go under the hydraulic leveler platform or li...

Page 22: ...ease the vehicle restraint or remove the wheel chocks until loading unloading is finished and the truck driver has been given permission to drive away from the dock WARNING NORMAL OPERATION WITHOUT AU...

Page 23: ...th the lip positioned between the face of the loading dock and the truck trailer bed See Figure 23 If the lip extended too far quickly push and release the RAISE button to slightly retract the lip If...

Page 24: ...the correct oil level is indicated by the decal on the side of the tank 6 Inspect all conduit boxes and electrical connections for damage 7 Lubricate lip and main cylinder clevis pins 8 Inspect all w...

Page 25: ...r 2 Platform does not raise motor a Debris is lodged on or around a Check for and remove any lodged running the leveler materials on or around the leveler b Ramp cylinder has fully b Allow ramp cylind...

Page 26: ...he relief pressure is pressure is set too low 1200 psi g Debris in the hydraulic system g Drain the oil from the power unit hoses and cylinders Replace with fresh oil Verify tank suction filter in the...

Page 27: ...level indicated by the Oil Level decal on the reservoir c System leak c Check hoses fittings valves and power unit for leaks d Shuttle valve is not adjusted d Readjust shuttle valve properly e Adjusta...

Page 28: ...ped Replace the motor f Debris is lodged on or around the f Check for and remove any lodged leveler materials on or around the leveler g System leak g Check hoses fittings valves and power unit for le...

Page 29: ...a time Moving the ARTD cam towards the lip will make the ARTD limit switch stay on longer Moving the ARTD cam away from the lip will make the ARTD limit switch turn off earlier Retest leveler after e...

Page 30: ...decrease platform speed while lowering excessive loosening can eliminate platform lowering 5 Tighten adjustment screw to increase platform speed while lowering velocity fuse may lock up as a result o...

Page 31: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 31 ELECTRICAL SCHEMATICS Figure 30 Electrical Schematics...

Page 32: ...ELECTRICAL SCHEMATICS HL 800 HYDRAULIC DOCK LEVELER 32 Pub No 1167 R2 April 2003 Figure 31 Electrical Schematics...

Page 33: ...HL 800 HYDRAULIC DOCK LEVELER ELECTRICAL SCHEMATICS Pub No 1167 R2 April 2003 33 Figure 32 Electrical Schematics...

Page 34: ...HL 800 HYDRAULIC DOCK LEVELER 34 Pub No 1167 R2 April 2003 ELECTRICAL SCHEMATICS Figure 33 Electrical Schematics...

Page 35: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 35 ELECTRICAL SCHEMATICS Figure 34 Electrical Schematics...

Page 36: ...TI CAVITATION 1 4 GPM PUMP 880 PSI FILTER MICRON 149 MOTOR VALVE 900 ADJ SHUTTLE BACKPRESSURE PSI AT 5 5 GPM CHECK 8 1 P O CHECK VALVE VALVE 1000 PSI SEQUENCE ADJUSTABLE PORT PORT TANK ORIFICE 035 PLU...

Page 37: ...ips Only 111086 111086 111086 Parts List Frame Assembly 6 Long Item Qty Description 8x6 8x7 30K 35K 40K 30K 35K 40K 1 1 Frame HL800 111611 111611 111612 111613 111613 111614 2 2 Pin Rear Hinge 107929...

Page 38: ...HL 800 HYDRAULIC DOCK LEVELER 38 Pub No 1167 R2 April 2003 PLATFORM REPLACEMENT PARTS DRAWING 14 8...

Page 39: ...59 2 1 Lip 16L HL8 107678 107684 107690 107681 107687 107693 1 Lip 18L HL8 107679 107685 107691 107682 107688 107694 1 Lip 20L HL8 107680 107686 107692 107683 107689 107695 3 2 Pin LP HNG 1 x 35 25L 5...

Page 40: ...25 1PB 109016 109016 109016 109016 109016 109016 2 1 Contactor IEC 108627 108627 108627 108627 108627 108627 3 1 Contact Block N O Jog 109018 109018 109018 109018 109018 109018 4 1 Electrical Schemati...

Page 41: ...trol Transformer 18736 18736 7 1 Push Button Black 65887 65887 8 1 Decal Fuse Replacement 59121 59121 9 1 Contact Block 1N O IEC 65890 65890 10 1 Terminal Block Assembly 16848 16848 11 1 Fuse Transfor...

Page 42: ...8962 108961 9 1 Hose Assembly Lip Cylinder 108964 108963 10 1 Pin Clevis 1 0 x 2 875 ZP 52620 52620 11 1 Pin Clevis 1 0 x 6 25 2Hole ZP 52467 52467 12 4 Pin Cotter 188 DIA x 1 5L ZP 51907 51907 13 1 S...

Page 43: ...ip Retainer 50 DIA 19650 12 1 Cam Assembly ARTD 3 5L Includes Items 16 17 18 109048 13 2 Washer FL 3 8ID x 7 8OD x 18 8 SS 18261 14 2 Shaft Collar 3 8ID x 7 8OD Black 68163 15 1 Tube Round 50OD x 402I...

Page 44: ...6 Parts List Hydraulic Components Item Qty Description 6L x 6W 8L x 6W 8L x 7W 1 2 Channel 108079 108080 108080 2 2 Insert 108081 108082 108082 3 Screw Self Drill 1L 58117 58117 58117 8 10 10 4 1 Rea...

Page 45: ...HL 800 HYDRAULIC DOCK LEVELER Pub No 1167 R2 April 2003 45 NOTES...

Page 46: ...HL 800 HYDRAULIC DOCK LEVELER 46 Pub No 1167 R2 April 2003 NOTES...

Page 47: ...nce with Level Rite installation instructions If a part is replaced during the standard warranty period it will be covered for the remainder of the warranty period for the dock leveler The above warra...

Page 48: ...By Rite Hite 8900 N Arbon Dr Milwaukee Wisconsin 53223 USA 414 355 2600...

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