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MOHAWK MODEL TP-20 

 

10 

 

 

TROUBLE SHOOTING 

 

WARNING :

 

NEVER ATTEMPT TO LOOSEN HYDRAULIC FITTINGS, OR OVERRIDE  SAFETY DEVICES IN AN   

 

 

ATTEMPT TO CORRECT A PROBLEM. ALL TEST ARE TO BE PERFORMED WITH 

NO

 VEHICLE.

 

NOTE:

 

 

 

THE HYDRAULIC SAFETY CHECK IS TO BE PERFORMED WITH NO VEHICLE ON THE UNIT. 

 

CONTACT YOUR LOCAL MOHAWK DISTRIBUTOR OR THE MOHAWK FACTORY IF EITHER TEST FAIL. 

 

 

HYDRAULIC SAFETY CHECK

 

 

MAIN SIDE SAFETY CHECK:

 

 
1.

 

RAISE THE UNIT APPROXIMATELY 3 FEET 

2.

 

DISENGAGE THE OFF SIDE MECHANICAL SAFETY 

3.

 

LOWER THE UNIT ONTO THE MAIN SIDE MECHANICAL 
SAFETY 

4.

 

WHILE CONTINUING TO HOLD DOWN THE POWER UNIT 
LOWERING HANDLE, OBSERVE THE OFF SIDE CARRIAGE 
FOR MOVEMENT. THE UNIT HAS CHECKED OUT OK IF THEIR 
IS NO MOVEMENT ( OFF SIDE CARRIAGE DOES NOT 
CONTINUE TO LOWER ) 

 

OFF SIDE SAFETY CHECK:

 

 
1.

 

RAISE THE UNIT APPROXIMATELY 3 FEET 

2.

 

DISENGAGE THE MAIN SIDE MECHANICAL SAFETY 

3.

 

LOWER THE UNIT ONTO THE OFF SIDE MECHANICAL 
SAFETY 

4.

 

WHILE CONTINUING TO HOLD DOWN THE POWER UNIT 
LOWERING HANDLE, OBSERVE THE MAIN SIDE CARRIAGE 
FOR MOVEMENT. THE UNIT HAS CHECKED OUT OK IF THEIR 
IS NO MOVEMENT ( MAIN SIDE CARRIAGE DOES NOT 
CONTINUE TO LOWER ) 

 

 

NOT RAISING LOAD 

POSSIBLE CAUSE 

SOLUTION 

 

 

LOW HYDRAULIC FLUID LEVEL 

LOWER UNIT. REMOVE RESERVOIR BREATHER CAP. FILL UNIT TO WITHIN 1/2 
INCH BELOW PORT. USE DEXRON III TRANSMISSION / HYDRAULIC FLUID. 

 

 

PRESSURE RELIEF ADJUSTMENT 

REFER TO POWER UNIT SPECIFICATIONS. 

 

 

PRESSURE RELIEF CONTAMINATION 

REFER TO POWER UNIT SPECIFICATIONS. REMOVE AND CLEAN DEBRIS FROM 
VALVE ASSEMBLY. 

 

 

VOLTAGE  TO POWER UNIT 

REFER TO POWER UNIT SPECIFICATIONS. CONSULT AN ELECTRICIAN 

 

 

UNIT OVERLOADED 

VEHICLE TO HEAVY TO BE RAISED  

 

 

NOT LOWERING 

 

 

FLOW CONTROL VALVE 

CLOSE FLOW CONTROL VALVE. OPEN TWO TURNS. RAISE UNIT THEN LOWER.  

 

 

MECHANICAL LOCKS ENGAGED 

RAISE UNIT. DISENGAGE MECHANICAL LOCKS. 

 

 

UNIT UNEVEN ( SIDE TO SIDE ) 

RAISE UNIT TO FULL HEIGHT TO EQUALIZE. THEN LOWER 

 

- OR - 

 

USE DIVERTER VALVE TO EQUALIZE 

 

 

POSTS OUT OF SQUARE 

VERIFY LEVEL ASSEMBLY. MAKE ANY AND ALL NECESSARY ADJUSTMENTS. 

 

 

DEBRIS IN POSTS ( TOOLS ETC. ) 

CLEAN UNIT 

 

 

OBSTRUCTION UNDER VEHICLE OR LIFT 

REMOVE OBSTRUCTION. 

 

 

RAISING UNEVEN 

RULE OF THUMB :

   IF THE MAIN SIDE IS HIGH, RUN UNIT TO FULL HEIGHT.  IF THE MAIN SIDE IS LOW, LOWER UNIT TO 

                                                FLOOR. ALLOW TIME FOR THE OFF SIDE TO EQUALIZE. 
 

AIR IN SYSTEM 

BLEED UNIT. REFER TO BLEEDING PROCEDURES. 

 

 

 

THE CARRIAGE BEARINGS ON THE MAIN AND OFF  SIDE MUST NOT CONTACT 
THE CARRIAGE STOPS. ( RESULT OF INCORRECT ROD ADJUSTMENT.) 

Summary of Contents for TP-20

Page 1: ... CAPACITY TWO POST VEHICLE LIFT MANUAL INSTALLATION OPERATION MAINTENANCE PARTS MOHAWK RESOURCES LTD P O BOX 110 65 VROOMAN AVENUE AMSTERDAM NY 12010 TOLL FREE 1 800 833 2006 LOCAL 1 518 842 1431 FAX 1 518 842 1289 INTERNET WWW MOHAWKLIFTS COM E MAIL SERVICE MOHAWKLIFTS COM MODEL TP 20 ...

Page 2: ...l outlet when not in use Never use the cord to pull the plug from the outlet Grasp plug and pull to disconnect 6 To reduce the risk of fire do not operate equipment in the vicinity of open containers of flammable liquids gasoline WARNING Risk of Explosion This equipment has internal arcing and sparking parts which should not be exposed to flammable vapors This equipment is only suitable for instal...

Page 3: ...tically reset after disengagement After the latches have been manually disengaged this lift must be raised approximately 2 inches to reactivate the latches PROPER SELECTION OF POWER SUPPLY CORD Acceptable Cord Types SO SEO STO SOW SEOO SOW A Cord Size 12 4 Cord Ampacity 20 Amps Cord Wiring Use Female NEMA Plug supplied with lift and wire as follows See Diagram Below G Ground green W Neutral white ...

Page 4: ...se have this unit s model and serial number when calling for service Model Number ______________________ Serial Number ______________________ OR CONTACT MOHAWK RESOURCES LTD 65 Vrooman Ave P O Box 110 Amsterdam NY 12010 Toll Free 1 800 833 2006 Local 1 518 842 1431 Fax 1 518 842 1289 Internet www MOHAWKLIFTS com E Mail Service MOHAWKLIFTS com ...

Page 5: ...SL SERIES SCISSOR LIFTS FP SERIES LIGHT DUTY FOUR POST LIFTS TL SERIES LIFTS AND STANDARD OPTIONS 2 YEAR WARRANTY THIS WARRANTY IS APPLICABLE TO THE FOLLOWING MOHAWK LIFTS ONLY PARALLELOGRAM SERIES AND USL 6000 AND STANDARD OPTIONS 1 YEAR WARRANTY THIS WARRANTY IS APPLICABLE TO THE FOLLOWING MOHAWK LIFTS ONLY HR 6 TD 1000 CT 1000 AND STANDARD OPTIONS STRUCTURAL COMPONENTS ALL STRUCTURAL AND MECHAN...

Page 6: ...ERIOD MUST BE SHIPPED FREIGHT PRE PAID TO THE MOHAWK PLANT UPON COMPLETION OF INSTALLING A COMPLETE SEAL KIT MOHAWK WILL SHIP THE CYLINDER TO YOU FREIGHT COLLECT MOHAWK S OBLIGATION UNDER THIS WARRANTY IS LIMITED TO REPAIRING ANY CYLINDER WHICH UPON INSPECTION HAS NOT BEEN MISUSED MOHAWK RESERVES THE RIGHT TO DECLINE RESPONSIBILITY WHEN THE REPAIRS HAVE BEEN MADE OR ATTEMPTED BY OTHERS THE FOREGOI...

Page 7: ...LISTING ISOMETRIC FINAL ASSEMBLY MAN 2000 MAIN SIDE ASSEMBLY MAN 2000 A OFF SIDE ASSEMBLY MAN 2000 B HYDRAULIC SYSTEM MAN 2001 CARRIAGE SUB ASSEMBLY MAN 2002 CARRIAGE LIFTING RODS YOKE MAN 2003 PNEUMATIC SYSTEM MAN 2004 PARTS BOX 1 POWER UNIT MAN 2005 CARRIAGE SWING ARMS SLIDER LIFTING PADS MAN 2006 MAIN AND OFF SIDE LEG ASSEMBLY MAN 2007 TAG DECAL LOCATIONS MAN 2008 MAIN SIDE CYLINDER ASSEMBLY MA...

Page 8: ...OF THE SIGHT AND OR THE POSSIBILITY OF POURING A NEW LEVEL CONCRETE SLAB SECTION SEE FIGURE 1 SIMPLY STATED FOR OPTIMUM LEVEL LIFTING THE EQUIPMENT AT BEST CAN LIFT ONLY AS LEVEL AS THE FLOOR ON WHICH IT IS LOCATED AND SHOULD NOT BE EXPECTED TO COMPENSATE FOR DRASTIC FLOOR SLOPE DIFFERENCES THIS EQUIPMENT MUST BE INSTALLED ON A LEVEL CONCRETE FLOOR WITH A MINIMUM THICKNESS OF 6 THE CONCRETE MUST B...

Page 9: ...CLE BEING SERVICED AIR VALVE TRIO FILTER REGULATOR LUBRICATOR OIL TYPE 65 PSIG SAE NO 10 IT IS NOT RECOMMENDED TO OPERATE THE LIFT UNDER 33 deg F DUE TO AIR LINE FREEZING PRE EXISTING FLOOR REQUIREMENTS MINIMUM THICKNES S MINIMUM COMPRESSIVE STRENGTH MINIMUM AGING 6 4000 P S I 28 DAYS DO NOT INSTALL ANY MOHAWK LIFT ON ANY SURFACE OTHER THAN CONCRETE CONFORMING TO THE MINIMUM COMPRESSIVE STRENGTH M...

Page 10: ... 7 16 IN WRENCH SOCKET STARTER BOX 1 8 FT MIN CHAIN NYLON STRAP ERECTING POST POWER UNIT 1 FLAT HEAD SCREW DRIVER AIR REGULATOR 1 RATCHET WRENCH AS NEEDED 1 VICE GRIPS AS NEEDED 1 CRESCENT WRENCH AS NEEDED 1 4 FT BUBBLE LEVEL VERIFY LEVEL ASSEMBLY 1 PRY BAR ADJUSTING MOVING HEAVY ITEMS 1 TIN SNIPS PACKAGING BANDING 1 CHALK LINE FLOOR LAYOUT 1 SOAP STONE FLOOR LAYOUT 1 25 FT TAPE MEASURE FLOOR LAYO...

Page 11: ...HE BAY AREA REQUIREMENTS MAY VARY ON SPECIAL ORDERS SPECIFICATIONS REFERENCE ALL SPECIFICATIONS PRIOR TO INSTALLING A LIFT WARNING BEFORE DRILLING THE MOUNTING HOLES REFERENCE ALL FIGURES PERTAINING TO DRILLING WEJ IT WARNINGS AND INSTALLATION INSTRUCTIONS CHECK THE INSIDE DIMENSIONS OF THE POST AT THE BOTTOM FROM THE FACE OF THE MAIN SIDE POST TO THE FACE OF THE OFF SIDE POST THE INSIDE DIMENSION...

Page 12: ...E MEASURING FROM THE EDGE OF THE MAIN SIDE CHANNEL TO THE EDGE OF THE OFF SIDE CHANNEL AT THE BASE AND AT THE TOP OF THE POST THE MEASUREMENT AT THE TOP OF THE POST MUST BE THE SAME AS THE MEASUREMENT AT THE BASE OF THE POST SECURE THE MAIN AND OFF SIDE POSTS TO THE BAY FLOOR USING THE 18 x 6 WEJ IT ANCHOR BOLTS FLAT WASHERS SECURE THE POWER UNIT TO THE MAIN SIDE POST WITH HARDWARE INCLUDED IN PAR...

Page 13: ...E IN POWER UNIT VOLUME THIS WILL INDICATE AN EXCESS OF SHIMS BENEATH THE YOKE ASSEMBLIES RESTRICTING THE MAIN OR OFF SIDE CYLINDERS FROM REACHING FULL STROKE IF THIS OCCURS REMOVE ONE SHIM FROM BENEATH THE YOKE AT THIS TIME PERFORM THE PRE OPERATION CHECK LIST AND MAINTENANCE PROCEDURES DAILY WEEKLY MONTHLY MAKE ALL ADJUSTMENTS PERTAINING TO THESE PROCEDURES DIVERTER VALVE OPERATION WARNING AS WIT...

Page 14: ...EASE OIL PERFORM THE PRE OPERATION CHECK LIST PER INSTRUCTIONS BEFORE RAISING VEHICLE TO DESIRED HEIGHT BEFORE DRIVING VEHICLE INTO THE BAY POSITION ARMS AND SUPPORTS TO PROVIDE UNOBSTRUCTED CLEARANCE DO NOT HIT OR RUN OVER LIFT ARMS ADAPTERS OR AXLE SUPPORTS THIS COULD DAMAGE LIFT OR VEHICLE LOAD VEHICLE ON LIFT CAREFULLY POSITION LIFT SUPPORTS TO CONTACT AT THE VEHICLE MANUFACTURER S RECOMMENDED...

Page 15: ... PRE OPERATION CHECK LIST ITEM BY ITEM POSITION THE SWING ARMS TO THE OUTSIDE OF THE UNIT POSITION THE VEHICLE AS INDICATED BY THE MFG S RECOMMENDED LIFT POINTS SEE ALI LP GUIDE NOTE ALIGN THE VEHICLE S CENTER OF GRAVITY WITH THE CENTERLINE OF THE POSTS THIS CAN BE VERIFIED BY VIEWING THE CAM FOLLOWER BEARINGS ON THE CARRIAGE THESE BEARINGS ARE LOCATED AT EACH CORNER OF THE CARRIAGE CENTERING OF V...

Page 16: ...CONDS CHECK LUBRICATOR FLUID LEVEL FILL IF NEEDED DRAIN FILTER REGULATOR OF EXCESSIVE MOISTURE MONTHLY INSPECT ALL HYDRAULIC COMPONENTS FOR LEAKS DEFORMATION WEAR OR CORROSION TIGHTEN ALL FASTENERS HYDRAULIC PNEUMATIC FITTINGS AS REQUIRED 1 ALL O RING BOSS FITTINGS JAM NUTS ARE TO BE TIGHTENED TO 15 FOOT POUNDS TORQUE 2 ALL PIPE FITTINGS IF LEAKING ARE TO BE REMOVED RE SEALED AND RE INSTALLED SELE...

Page 17: ... NOT CONTINUE TO LOWER NOT RAISING LOAD POSSIBLE CAUSE SOLUTION LOW HYDRAULIC FLUID LEVEL LOWER UNIT REMOVE RESERVOIR BREATHER CAP FILL UNIT TO WITHIN 1 2 INCH BELOW PORT USE DEXRON III TRANSMISSION HYDRAULIC FLUID PRESSURE RELIEF ADJUSTMENT REFER TO POWER UNIT SPECIFICATIONS PRESSURE RELIEF CONTAMINATION REFER TO POWER UNIT SPECIFICATIONS REMOVE AND CLEAN DEBRIS FROM VALVE ASSEMBLY VOLTAGE TO POW...

Page 18: ...TIGHTEN SET SCREW POPPING NOISE WHEN RAISING LOAD NOT CENTERED VEHICLE IS TO FAR FORWARD OR TOO FAR BACK POSITION THE VEHICLE SO THAT THE TWO TOP CAM BEARINGS BEARINGS ON THE CARRIAGE WHICH RIDE ON THE EDGE OF THE POST CHANNEL ARE FREE TO SPIN WHEN ALL FOUR TIRES ARE OFF THE FLOOR EXTERNAL HYDRAULIC LEAKS NOTE TIGHTEN ALL FITTINGS PER SPECIFICATIONS MAIN SIDE CYLINDER THOROUGHLY CLEAN THE CYLINDER...

Page 19: ...MOHAWK MODEL TP 20 12 SERVICE CHART MODEL TP 20 SERIAL NUMBER ________________________________ DATE OF INSTALLATION _________________________ DATE PART REPLACED SERVICED SERVICE COMPANY SERVICED BY ...

Page 20: ...MOHAWK MODEL TP 20 13 MAINTENANCE CHART DATE MAINTENANCE PERFORMED SERVICE COMPANY SERVICED BY ...

Page 21: ...E IN THE U S A PARTS MANUAL MOHAWK RESOURCES LTD P O BOX 110 65 VROOMAN AVENUE AMSTERDAM NY 12010 TOLL FREE 1 800 833 2006 LOCAL 1 518 842 1431 FAX 1 518 842 1289 INTERNET WWW MOHAWKLIFTS COM E MAIL SERVICE MOHAWKLIFTS COM MODEL TP 20 ...

Page 22: ...MODEL TP 20 ...

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Page 44: ...WK MOHAWK RESOURCES LTD 65 VROOMAN AVE AMSTERDAM NY 12010 TOLL FREE 1 800 833 2006 LOCAL 1 518 842 1431 FAX 1 518 842 1289 INTERNET www MOHAWKLIFTS com E MAIN Service MOHAWKLIFTS com NEW SLAB RECOMMEDATIONS ...

Page 45: ...t conform to the above stated properties before installation of the lift is deemed acceptable The new slab must be totally surrounded by an existing concrete floor Certified strength documentation should be obtained from the firm who supplies the concrete mixture at the time of the pour The slab above is designed as stand alone and does not take into account the contribution of strength from surro...

Page 46: ...in ShortBars 3 4in 6 in TP 20 6Ft 16Ft 18 4 MainBars 24 4 TemperatureBars 4in LongBars 8in ShortBars 3 4in 6 in TP 26 6Ft 16Ft 18 4 MainBars 24 4 TemperatureBars 4in LongBars 8in ShortBars 1in 10in TP 30 6Ft 16Ft 18 4 MainBars 24 4 TemperatureBars 4in LongBars 8in ShortBars 1in 10in TR 19 2Ft 2Ft 4 4Bars 8BarsTotal 6in EachWay 3 4in 5 in FL 25 2Ft 2Ft 4 4Bars 8BarsTotal 6in EachWay 3 4in 5 in TR 2...

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