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111620

1. slides extend the arms to the fully open position Release system pressure prior to removing the arms by turning the truck off and working the side shift and clamp function controls several times Support the arm with an overhead crane or lift truck Be sure to secure the chain or sling in a manner that prevents the arm from falling out of the chain or sling when hanging free of the clamp frame Remove the cotter pin slotted nut and spherical bearing from the end of the clamp cylinder rod Keeping hands and feet clear carefully slide the clamp arm off of the clamp frame Install the arm on the clamp frame ensuring that the arm moves freely without excessive binding If the arm is too loose or too tight add or remove shims as required Once the clearance is satisfactory insert the cylinder rod into the cylinder anchor on the arm Install the spherical bearing slotted nut and cotter pin onto the cylinder rod end Be sure to leave 03 06 7mm to 1 5mm clearance to allow the cylinder to float on it s mountings see page 13 BLOCK FOR L20 CLAMP MODELS 2 X 2 X 3 LONG 50 8mm X 50 8 mm X 76mm FOR L35 CLAMP MODELS 2 25 X 2 25 X 3 LONG 57 2mm X 57 2mm X 76mm ARM CLAMP FRAME ARM BAR Inspect slides and slide buttons for wear Slides may be rotated end for end and re used if excessively worn on the outer end only Extra shims may be used to tighten operating clearance on slightly worn slides Replace any slides worn to l
2. C k 20 7 21 1 mea e F e 11 11 Adjustment fo ee SEE FLOW DETAIL Front View CYLINDER ASSEMBLY rawing reference ante n e 1 1 PART 111375 2 111379 2 111482 100032 6 102099 1 112905 102098 5 100029 2 DESCRIPTION 9 1 100028 2 BACK UP RING LSP TUBE WELDMENT 10 1 100029 201 O RING LSP ROD 11 1 27D 10 NUT SELF LOCKING LSP SEAL KITS NOT SHOWN 12 1 100027 7 LOCKWIRE POLY PAK B LSP 13 1 111374 PISTON WEAR RING LSP 14 1 111373 GLAND POLY PAK LSP REF ROD WIPER LSP 15 1 111380 CYLINDER WASHER O RING LSP R RETRACTED E EXTENDED S STROKE CLEARANCE NOTE 03 06 EACH CYLINDER END ADJUST SLOTTED NUT TO ALLOW FOR CLEARANCE AS SHOWN INSERT COTTER PIN AFTER ADJUSTMENT Wal GA N NR CYLINDER SERVICE Prior to assembly lubricate seals cylinder bore and rod with STP Inspect all parts for scratches nicks and gouges replace all damaged components Inspect cylinder bore and rod for scoring replace if scored Avoid damage to seal grooves use a dull screwdriver for seal removal Torque piston nut to 110 FT LBS 15 3 kg m 13 CLAMP ADJUSTMENTS 1 CLAMP FORCE CHECK ADJUSTMENT OPEN FORCE CHECK ADJUSTMENT 1 Check water pressure If out of operating range Open the arms against a force fixture and adjust for fill with Loron ha
3. LORON EXCELLENCE IN ACTION SERVICE MANUAL PARTS LIST CONTENTS APPLIANCE CLAMP o SOFT TOUCH 1 Lift Truck Requirements General Installation Procedures MODEL 111620 General Inspection PATENTS PENDING 2 5 Clamp Assembly 6 7 Group Assembly 8 10 Bladder Hydraulic Assembly 11 12 Hydraulic Assembly 13 Clamp Cylinder Assembly 14 Clamp Adjustments 15 Control Valve 16 Force Control Valve 17 Arm Slide 8 Shim Replacement 18 Trouble Shooting 425 Hazel St Kelso WA 98626 800 248 6079 Fax 360 578 9934 LIFT TRUCK REQUIREMENTS CAPACITY Capacity shown on the Clamp name plate is for the CLAMP HYDRAULICS Recommended Truck Pressure 2300 to 2500 PSI Clamp only The combined truck and Clamp Capacity is provided by the lift truck manufacturer 159 to 170 bar Hydraulic fluid petroleum based hydraulic fluid only Hydraulic supply group includes hoses and take up one set for each function Auxiliary valve 2 Function Side Shift amp Clamp a double auxiliary valve Oil Volume Settings Side Shift 3 GPM Clamp Open Close 7 GPM GENERAL INSTALLATION PROCEDURES 1 Make sure that the attachment centering lug is completely seated in truck carriage center notch 2 Clearance between the lower retainers that hold the attachment to the truck lower carriage bar should be as shown below L 13 3 2mm MAXIMUM TRUCK LOWER CARRIAGE BAR LOWER RETAINER 3 Attach truck supp
4. MOVEMENT POSSIBLE CAUSES SOLUTIONS Bent clamp arms 1 Consult factory Nylon slides sticking 2 Clean slides if necessary the slides are self lubricating Note Sticking slides can cause inconsistent clamp force measurements Nylon slides worn broken or missing 3 Replace damaged slides shims and retaining buttons
5. N 111290 0136 HOSE 111350 AIR TANK VALVE 111290 0350 HOSE 111295 HOSE CLAMP 19 111030 BLADDER 111290 0025 HOSE 9G 0412 BOLT LSP 111296 PRESSURE GAUGE 111471 CLAMP BAR 111543 01 FITTING 90 22 8 109256 HOSE CLAMP 6 1 111292 BRANCH TEE LSP 256 0508 BOLTLSP 111290 0177 HOSE 113026 0360 COVER HOSE 4 111293 RUN TEE LSP 111128 HOSE GUIDE 1 12000157 HOSE BOLTS 111290 0060 HOSE 111289 BE ELOU 111290 0895 111654 PLUG 111290 0925 5 111510 SPRING 111299 HOSE CLIP a 19 GAUGE STAINLESS STEEL WIRE 25 0516 BOLTLSP 111653 VALVE CAP 111290 0027 HOSE m a DIRECTIONAL VALVE OO MOSE ASSEMBLE REFERENCE CLAMP VALVE 111591 BELLOWS AIR BLEED AIR BLEED 111085 VALVE 55 LOW PRESSURE HYDRAULIC WATER HIGH PRESSURE HYDRAULIC CIRCUIT SLAVE FORCE SENSE CIRCUIT ce BLADDER HYDRAULIC ASSEMBLY 2 gt e e oo gt 21 me Mi J 2 Yo 7 BLADDER HYDRAULIC ASSEMBLY 3 30 SEE NOTE to tighten and clip to reduce ends Use 19 gauge stainless steel wire at each bladder connection twist NOTE 0 1 HYDRAULIC ASSEMBLY 1 rawing reference 737174 STRAIGHT THREAD ADAPTER ORNGWGSLSP FLOW DETAIL HYDRAULIC ASSEMBLY 2 Maximum Clamp Force Relief Open Force Control 2 7
6. ess than 06 1 5mm thick or any slide that is deeply scored or broken To aid in replacing the slides a block may be fashioned of wood or another convenient material to the dimensions shown above The block is inserted in the end of the arm to hold the slides shims and buttons in position while the arm is inserted over the arm bars on the clamp frame The block is expelled out the opposite end of the arm as the arm is pushed onto the frame Prior to installing the arm the block may be used to determine the number of shims to place under the slides Adjust the clearance between the slides and the block to provide approximately 06 1 5mm running clearance between the slides and arm when installed TROUBLE SHOOTING GUIDE LOADS SLIPPING OR DROPPING POSSIBLE CAUSES SOLUTIONS Clamp force set too low 1 Adjust clamp force pages 14 Internal leakage in cylinder 2 Replace cylinder seals If tube piston or rod is scored replace with new parts Load too heavy for the clamp capacity 3 Consult factory Load my not by stacked correctly or may need to be 4 Restack or unitize load shrink wrap unitized Bent arms or contact pads 5 Consult factory Damaged leaking hydraulic hose 6 Replace damaged hose CRUSHING LOADS POSSIBLE CAUSES SOLUTIONS Clamp force set too high 1 Adjusting clamp force pages 14 Bent arms or contact pads 2 Consult factory Leak in bladder system 3 Check for leaks and repair ARM CHATTERING OR ERRATIC
7. ly group take up to clamp valve on attachment base 4 Standing clear of the Clamp attachment cycle the attachment in and out several times Use caution because partially filled hydraulic lines may cause erratic movement GENERAL INSPECTION AND MAINTENANCE Check all hydraulic fittings hoses cylinders and valves for leakages repair or replace as required 2 Check bladder water pressure If out of operating range adjust as required using Loron Hand Pump 112909 Check clamp force and adjust See pages 14 3 Time Schedule Check pressure and clamp forces every 3 weeks Water pressure 4 6 psi 4 All bolts should be checked and tightened as required 5 Check lower retainer clearance see item 2 in General Installation Procedures above 1 rawing reference CLAMP ASSEMBLY 1 PART NO DESCRIPTION e fons e o CLAMP ASSEMBLY 2 J IX en w NAA HM 2 CLAMP ASSEMBLY 3 CLAMP ASSEMBLY 4 e e e LI d mwe L 929 ARM GROUP ASSEMBLY 1 rawing reference 10 me 00 2 ARM GROUP ASSEMBLY 2 ig AY amp DE a 7 S iN S 5 aze NAZIZZZZA TEN BLADDER HYDRAULIC ASSEMBLY 1 rawing reference PART NO DESCRIPTIO
8. nd pump 112909 desired maximum force Note Use Propylene Glycol RV antifreeze must be alcohol free 2 Check the clamp force Air Bleed Fill Valve Air Bleed Water Pressure Gauge Clamp Force Control Valve CONTROL VALVE rawing reference ORIFICE 112887 FLOW DIVIDER TORQUE 10 12 FT LBS 104711 SEAL KIT 111244 CHECK VALVE TORQUE 30 35 FT LBS SEAL KIT 112059 111627 REDUCE REL VALVE TORQUE 15 20 FT LBS SEAL KIT 112065 112406 1 E amp 112406 2 F RELIEF TORQUE 20 25 FT LBS SEAL KIT 112064 NNIZZIZIZZ KKK AN 12752 Cat ZA 12753 1 Lubricate threads amp seals prior to assembly 2 For Clamp Force changes See pages 14 amp 15 QTY PART DESCRIPTION 1 111627 PRESSURE REDUCE RELIEF VALVE 1 112887 FLOW DIVIDER 1 112406 1 BI DIRECTIONAL RELIEF VALVE 1 112406 2 BI DIRECTIONAL RELIEF VALVE 1 111244 P O CHECK CARTRIDGES 15 PART 11G 0844 111092 111094 4E 04 7D 08 110906 111091 10 0424 a yo CLAMP FORCE CONTROL VALVE DESCRIPTION 9 1 BOLT 10 1 MOUNTING PLATE WDMT 11 1 DIRECTIONAL 12 1 LOCKWASHER 13 1 JAM NUT 14 1 WHEEL 15 1 AIR SPRING BOLT 1D 10 111328 111097 111098 111572 111655 100574 28 HEX NUT WHEEL HOUSING SPRING SPRING TENSION CAP SPRING CAP CLEVIS PIN COTTER PIN ARM SLIDE amp SHIM REPLACEMENT To replace the

111620

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