Mohawk RJ-50-AH Series User manual

READ MANUAL
THOROUGHLY BEFORE
INSTALLING,
OPERATING OR SERVICING
THIS LIFT !!
Deliver these instructions to lift
owner/user/employer along with
other instructional materials
furnished with this lift.
MOHAWK
MADE IN THE USA
PNEUMATIC/HYDRAULIC JACKING BEAM
Model RJ-50-AH-50000: Rated 50,000 Lb on 75k Lb Lifts (4 Post)
Model RJ-50-AH-37500-P: Rated 37,500 Lb on 75-100k Lb Lifts (Parallel)
Model RJ-50-AH-35000: Rated 35,000 Lb on 50k Lb Lifts (4 Post)
Model RJ-50-AH-35000-P: Rated 35,000 Lb on 50k Lb Lifts (Parallel)
Model RJ-50-AH-31500-P: Rated 31,500 Lb on 45k Lb Lifts (Parallel)
Model RJ-50-AH-28000-P: Rated 28,000 Lb on 40k Lb Lifts (Parallel)
Model RJ-50-AH-25000-P: Rated 25,000 Lb on 36-38k Lb Lifts (Parallel)
Model RJ-50-AH-24500: Rated 24,500 Lb on 35k Lb Lifts (4-Post)
Model RJ-50-AH-23000: Rated 23,000 Lb on 33k Lb Lifts (4-Post)
Model RJ-50-AH-20000: Rated 20,000 Lb on 30k Lb Lifts (4-Post)
INSTALLATION
OPERATION
MAINTENANCE
PARTS
MOHAWK RESOURCES LTD.
PO BOX 110, 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-MAIL: [email protected]
RJ-50-AH-Series 12-1-2015.doc
Rev Date 12/1/2015
Part #601-800-390
Model RJ-50-AH Series

MOHAWK MODEL RJ-50-AH-SERIES
i
IMPORTANT SAFETY INSTRUCTIONS
When using your garage equipment, basic safety precautions should always be followed, including the
following:
1. Read all instructions. Before assembling unit, become familiar with part names and have a good
understanding of how this unit is to be assembled and of how individual parts operate.
2. Care must be taken as burns can occur from touching hot parts.
3. Do not operate equipment if it has been dropped or damaged - until it has been examined by a
qualified serviceman.
4. Do not let hoses come in contact with hot manifolds or moving fan blades.
5. Always unplug equipment from air supply when not in use.
6. Keep hair, loose clothing, fingers, and all parts of body away from moving parts.
7. Use only as described in this manual. Use only manufacturer’s recommended attachments.
8. ALWAYS WEAR SAFETY GLASSES. Everyday eyeglasses only have impact resistant lenses,
they are NOT safety glasses.
SAVE THESE INSTRUCTIONS
ALL MOHAWK JACKING BEAMS ARE FOR INDOOR USE UNLESS SPECIFICALLY QUALIFIED AND MODIFIED FOR A CUSTOM ENVIRONMENT.
PROPER FRAME ENGAGEMENT WITH PADS. ALL JACK BEAMS ARE DESIGNED TO LIFT STANDARD VEHICLES WITHIN THEIR RATED
CAPACITY BY THE VEHICLE FRAME. IF SUITABLE FRAME CONTACT LIFT POINTS CAN NOT BE REACHED OR ACCOMMODATED BY THE
LIFTING PADS, THE VEHICLE MUST NOT BE RAISED WITH THE LIFT. REFER TO VEHICLE MANUFACTURER LIFTING POINT SPECIFICATIONS
(AND VEHICLE LIFT POINT LABEL PER SAE J2184, VEHICLE LIFT POINTS FOR SERVICE GARAGE LIFTING).
CARE MUST BE OBSERVED WHEN REMOVING ANY HEAVY COMPONENTS FROM A VEHICLE AND THEREBY DRASTICALLY SHIFTING THE
VEHICLE CENTER OF GRAVITY (I.E. ENGINE REMOVAL, TRANSMISSION REMOVAL, ETC.). THE USE OF JACK STANDS AT THE FRONT AND
REAR ENDS OF THE VEHICLE IS HIGHLY RECOMMENDED WHEN PERFORMING THIS TYPE OF WORK.
ADAPTER USAGE AND LIMITATIONS:
THE USE OF HEIGHT ADAPTERS IS COMMON FOR MOST LIFTING SITUATIONS TO ACCOMMODATE HIGH FRAMES AND LOW OVERHANGING
BODIES OF VEHICLES.
FOR RJ-50-AH:
THESE LIFTS COME STANDARD WITH (2) 5” AND (2) 7 1/2” AND (2) 10” HEIGHT ADAPTERS.
THESE LIFTS ARE ONLY ALLOWED TO USE 2 ADAPTERS WHEN STACKED: ONE (1) 7 1/2” AND ONE (1) 10” ADAPTER, RESULTING IN 17 1/2”
MAXIMUM STACKING HEIGHT. LONGER CUSTOM SINGLE PIECE ADAPTERS ARE AVAILABLE UPON REQUEST.
THE USER SHOULD BE WARNED THAT ANY SITUATION PRODUCING AN OFF-VERTICAL SLANTING OF THE HEIGHT ADAPTERS, SUCH AS,
ECCENTRIC CORNER LOADING OF THE LIFT PAD, ETC. MUST BE AVOIDED. CUPPED OR YOKE STYLE LIFTING PADS (WHICH DO NOT RELY
ON FRICTION) ARE ALSO AVAILABLE FOR SITUATIONS INVOLVING LIFTING NON-FLAT SURFACES. CONSULT MOHAWK SERVICE
DEPARTMENT FOR CUSTOM PAD REQUESTS FOR YOU APPLICATION.

MOHAWK MODEL RJ-50-AH-SERIES
ii
HAVE A QUESTION?
Call your local
Mohawk distributor
For parts, service and technical support.
Distributor Place Card Here
Please 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: [email protected]

MOHAWK MODEL RJ-50-AH-SERIES
iii
MOHAWK WARRANTIES
EFFECTIVE DATE: 12/1/2015*
READ THIS WARRANTY IN ITS ENTIRETY
GENERAL WARRANTY INFORMATION:
MOHAWK’S OBLIGATION UNDER THIS WARRANTY IS LIMITED TO REPAIRING OR REPLACING ANY PART OR PARTS
RETURNED TO THIS FACTORY, TRANSPORTATION CHARGES PREPAID BY CUSTOMER WITH AUTHORIZED RETURN (RGA),
WHICH PROVE UPON INSPECTION TO BE DEFECTIVE AND WHICH HAVE NOT BEEN MISUSED. DAMAGE OR FAILURE TO ANY
PART DUE TO FREIGHT DAMAGE OR LACK OF REQUIRED REGULAR DOCUMENTED MAINTENANCE IS NOT COVERED UNDER
THIS WARRANTY. ALL WARRANTY CLAIMS MUST BE PERFORMED IN ACCORDANCE TO MOHAWK’S WARRANTY PARTS
RETURN POLICY (CONTACT MOHAWK’S SERVICE DEPARTMENT FOR MORE INFORMATION).
THIS WARRANTY DOES NOT COVER MIS-DIAGNOSING OF UNIT OR PARTS RETURNED THAT ARE NON-DEFECTIVE. THIS
WARRANTY DOES NOT COVER ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING, BUT NOT LIMITED TO, LOST
REVENUES OR BUSINESS HARM. THIS EQUIPMENT HAS BEEN DESIGNED FOR USE IN NORMAL VEHICLE MAINTENANCE
APPLICATIONS. A SPECIFIC INDIVIDUAL WARRANTY MUST BE ISSUED FOR UNITS THAT DEVIATE FROM INTENDED USAGE,
SUCH AS HIGH CYCLE USAGE IN INDUSTRIAL APPLICATIONS, OR USAGE IN EXTREMELY ABUSIVE ENVIRONMENTS.
MOHAWK RESERVES THE RIGHT TO DECLINE RESPONSIBILITY WHEN REPAIRS OR MODIFICATIONS HAVE BEEN MADE OR
ATTEMPTED BY OTHERS WITHOUT WRITTEN AUTHORIZATION FROM MOHAWK RESOURCES LTD.. THIS WARRANTY DOES
NOT COVER LABOR OR TRANSPORTATION. THIS WARRANTY DOES NOT COVER DOWNTIME EXPENSES INCURRED WHEN
UNIT IS IN REPAIR. THE LIFT MUST BE REGISTERED WITHIN 30 DAYS OF INSTALLATION BY MAILING SUPPLIED
WARRANTY REGISTRATION CARD TO MOHAWK AND MUST BE SIGNED BY A LICENSED ELECTRICIAN. THE MODEL
NUMBER AND SERIAL NUMBER OF THE EQUIPMENT MUST BE FURNISHED WITH ALL WARRANTY CLAIMS. THIS WARRANTY
STATEMENT CONTAINS THE ENTIRE AGREEMENT BETWEEN MOHAWK RESOURCES LTD. AND THE PURCHASER UNLESS
OTHERWISE SPECIFICALLY EXPRESSED IN WRITING. THIS NON-TRANSFERABLE WARRANTY APPLIES TO THE ORIGINAL
PURCHASER ONLY.
THIS WARRANTY DOES NOT COVER NORMAL SURFACE WEAR ITEMS, ITEMS SUBJECT TO ABRASION, OR ITEMS USED IN A
CORROSIVE ENVIRONMENT. SOME ITEMS ON LIFT ARE SUBJECT TO NORMAL “WEAR AND TEAR” AND ARE NOT COVERED
UNDER THIS WARRANTY.
STRUCTURAL AND MECHANICAL COMPONENTS (ALL LIFTS):
STRUCTURAL AND MECHANICAL COMPONENTS OF THIS UNIT ARE GUARANTEED FOR THE BELOW STATED TIME FRAME,
SPECIFIC TO MODEL LISTED, FROM THE DATE OF SHIPMENT FROM FACTORY, AGAINST DEFECTS IN WORKMANSHIP
AND/OR MATERIALS WHEN LIFT IS INSTALLED AND USED ACCORDING TO SPECIFICATIONS.
25-YEARS STRUCTURAL / 10 YEARS MECHANICAL: TWO-POST MODELS A-7, SYSTEM IA-10, LC-12, LMF-12, TP-
16, TP-18, TP-20, TP-26, TP-30. STRUCTURAL ITEMS COVERED INCLUDE LEG, CARRIAGE, SWING ARM AND
SLIDER WELDMENTS (EXCLUDING NORMAL WEAR AREAS AS STATED ABOVE). MECHANICAL ITEMS COVERED
INCLUDE ROLLER BEARINGS AND LIFTING CHAIN.
5-YEAR: MODELS TL-7.
3-YEAR: MODELS TR-19, TR-25, FL-25, TR-30, TR-33, TR-35, TR-50, TR-75, TR-110, TR-120, MP-SERIES LIFTS.
2-YEAR: MODELS PARALLELOGRAM SERIES LIFTS.
1-YEAR: MODELS TD-1000, TD-2000, CT-1000, USL-6000.
POWER UNIT (ALL LIFTS):
ALL POWER UNIT COMPONENTS (MOTOR, PUMP AND RESERVOIR) ARE GUARANTEED FOR TWO YEARS FOR PARTS,
FROM THE DATE OF SHIPMENT FROM FACTORY, AGAINST DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN THE
LIFT IS INSTALLED, WIRED BY A LICENSED ELECTRICIAN AND USED ACCORDING TO SPECIFICATIONS.
ELECTRICAL COMPONENTS (ALL LIFTS):
ALL ELECTRICAL COMPONENTS (EXCLUDING MOTOR) ARE GUARANTEED FOR ONE YEAR FOR PARTS, FROM THE DATE
OF SHIPMENT FROM FACTORY, AGAINST DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN THE LIFT IS
INSTALLED AND USED ACCORDING TO SPECIFICATIONS. SEE WARRANTY EXCEPTIONS SECTION FOR BATTERIES.
PNEUMATIC-AIR COMPONENTS (ALL LIFTS):
ALL PNEUMATIC (AIR) COMPONENTS (I.E. AIR CYLINDERS AND POPPET AIR VALVES) ARE GUARANTEED FOR ONE YEAR
FOR PARTS, FROM THE DATE OF SHIPMENT FROM FACTORY, AGAINST DEFECTS IN WORKMANSHIP AND/OR
MATERIALS WHEN THE LIFT IS INSTALLED AND USED ACCORDING TO SPECIFICATIONS. COMPONENTS IN A PNEUMATIC
SYSTEM THAT ARE NOT PROPERLY REGULATED, LUBRICATED AND CONDITIONED WITH AN AIR DRYING SYSTEM ARE
NOT COVERED UNDER WARRANTY.
HYDRAULIC COMPONENTS (ALL LIFTS):
EXCLUDING CYLINDERS AND PUMPS (COVERED IN OTHER SECTIONS), ALL HYDRAULIC COMPONENTS (I.E. VALVES AND
FITTINGS) ARE GUARANTEED FOR ONE YEAR FOR PARTS, FROM THE DATE OF SHIPMENT FROM FACTORY, AGAINST
DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN THE LIFT IS INSTALLED AND USED ACCORDING TO
SPECIFICATIONS.

MOHAWK MODEL RJ-50-AH-SERIES
iv
HYDRAULIC CYLINDERS (MODEL SPECIFIC LIFTS):
THE FOLLOWING MODELS ARE GUARANTEED FOR 5 YEARS (PARTS ONLY), FROM DATE OF SHIPMENT FROM FACTORY,
FOR HYDRAULIC CYLINDERS, AGAINST DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN THE LIFT IS INSTALLED
AND USED ACCORDING TO SPECIFICATIONS: TWO-POST MODELS A-7, SYSTEM IA-10, LC-12, LMF-12, TP-16, TP-18, TP-20,
TP-26, TP-30.
ALL OTHER MODELS ARE GUARANTEED FOR TWO YEARS (PARTS ONLY), FROM THE DATE OF SHIPMENT FROM
FACTORY, FOR HYDRAULIC CYLINDERS, AGAINST DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN THE LIFT IS
INSTALLED AND USED ACCORDING TO SPECIFICATIONS (EXCLUDING USL-6000, WHICH IS ONE YEAR).
THE “EXTENDED LIFETIME CYLINDER SEAL WARRANTY” (BELOW) IS APPLICABLE TO THE FOLLOWING MOHAWK LIFTS
ONLY: TWO-POST MODELS A-7, SYSTEM IA-10, LC-12, LMF-12, TP-16, TP-18, TP-20, TP-26, TP-30. SEE MOHAWK’S
“EXTENDED LIFETIME CYLINDER SEAL WARRANTY” FOR SPECIFIC WARRANTY PROVISIONS FOR HYDRAULIC
CYLINDERS.
THE “EXTENDED LIFETIME CYLINDER SEAL WARRANTY” IS AS FOLLOWS:
AS THE ORIGINAL PURCHASER OF A MOHAWK LIFT MANUFACTURED BY MOHAWK RESOURCES, LTD. YOU ARE
ENTITLED TO AN EXTENDED CYLINDER SEAL WARRANTY.
MOHAWK’S OBLIGATION UNDER THIS WARRANTY IS LIMITED TO SUPPLYING MODEL SPECIFIC CYLINDER SEALS. THE
CUSTOMER IS RESPONSIBLE FOR SHIPPING AND HANDLING OF THE SEALS. MOHAWK IS NOT RESPONSIBLE/LIABLE
FOR THE REBUILD OF CYLINDERS BY OTHERS. THIS WARRANTY IS NON-TRANSFERABLE AND RUNS TO THE ORIGINAL
PURCHASER ONLY.
STANDARD OPTIONS (ALL LIFTS):
ALL STANDARD OPTIONS OF THIS UNIT ARE GUARANTEED FOR ONE YEAR FOR PARTS, FROM THE DATE OF SHIPMENT
FROM FACTORY, AGAINST DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN LIFT IS INSTALLED AND USED
ACCORDING TO SPECIFICATIONS.
CUSTOM LIFTS AND CUSTOM OPTIONS:
ALL “CUSTOM” LIFTS AND/OR “CUSTOM” OPTIONS ARE GUARANTEED FOR ONE YEAR FOR PARTS, FROM THE DATE OF
SHIPMENT FROM FACTORY, AGAINST DEFECTS IN WORKMANSHIP AND/OR MATERIALS WHEN LIFT IS INSTALLED AND
USED ACCORDING TO SPECIFICATIONS.
WARRANTY EXCEPTIONS (ALL LIFTS):
ADJUSTMENTS: THIS WARRANTY DOES NOT COVER CASUAL AND ROUTINE ADJUSTMENTS SUCH AS, BUT NOT LIMITED
TO: FITTINGS, SENSORS AND SWITCHES, ANCHOR BOLT RE-TIGHTENING, OR ANY SHIMMING OR ADJUSTMENTS
REQUIRED DURING A PROPER AND PROFESSIONAL INSTALLATION BY A QUALIFIED INSTALLER.
MAINTENANCE AND INSPECTIONS: IF THIS UNIT IS NOT MAINTAINED AND INSPECTED IN ACCORDANCE TO THE
RELEVANT SECTIONS IN THE USERS MANUAL FOR THIS SPECIFIC MODEL, WARRANTY IS VOID. OSHA, ANSI AND
MOHAWK REQUIRE THAT RECORDS MUST BE MAINTAINED TO PROVE THAT INSPECTIONS AND MAINTENANCE OF THIS
UNIT HAVE BEEN ROUTINELY PERFORMED BY QUALIFIED INDIVIDUALS.
ABUSE: IF THIS UNIT IS FOUND TO BE OVERLOADED (PURPOSELY OR UNKNOWINGLY), USED IN A SITUATION BEYOND
ITS INTENDED FUNCTION, NOT MAINTAINED & INSPECTED REGULARLY, USED IN AN ABUSIVE ENVIRONMENT OR
BEYOND NORMAL SHOP USAGE, THIS WARRANTY IS VOID IN ITS ENTIRETY.
NON-EXISTENT PROBLEMS: FOR SERVICE VISITS, PART REPLACEMENTS, LABOR, ETC. FOR PARTS FOUND TO BE NON-
DEFECTIVE, OR FOR A UNIT DIS-FUNCTION THAT DOES NOT EXIST, IT IS THE LIFT OWNER THAT REQUESTED THE
SERVICE VISIT WHO BEARS THE RESPONSIBILITY OF ALL RELATED EXPENSES.
BATTERIES: ALL BATTERIES CARRY THE BATTERY MANUFACTURER’S WARRANTY. MAINTENANCE REQUIREMENTS AND
ABUSE PROVISIONS ARE AS STATED BY THE BATTERY MANUFACTURER. REFER TO BATTERY MANUFACTURER’S
WARRANTY.
SPECIAL/MODIFIED INSTALLATIONS: THIS WARRANTY DOES NOT COVER “NON-TRADITIONAL” INSTALLATIONS.
INSTALLATIONS ARE TO BE DONE ACCORDING TO SPECIFICATIONS, OR THE WARRANTY IS VOID.
WEARABLE COMPONENTS: SOME ITEMS ON LIFTS ARE SUBJECT TO NORMAL “WEAR AND TEAR” AND ARE NOT
COVERED UNDER THIS WARRANTY.
NON-VEHICLE / RE-PURPOSED LIFTS: THIS WARRANTY DOES NOT COVER LIFTS THAT ARE “RE-PURPOSED” TO RAISE
AND LOWER EQUIPMENT THAT ARE NOT CONSIDERED VEHICLES.
* THIS WARRANTY SUPERSEDES ALL OTHER WARRANTY POLICIES PREVIOUSLY STATED AND IN ALL OTHER MOHAWK
PRODUCT SPECIFIC LITERATURE (MANUALS, BROCHURES, ETC.).
Rev 12/1/2015

MOHAWK MODEL RJ-50-AH-SERIES
1
CONTENTS
TEXT
PAGE
IMPORTANT NOTES 2
SPECIFICATIONS 3
PACKINGLIST 4
INSTALLATION INSTRUCTIONS 5
SAFETY TIPS 6
PRE - OPERATION CHECK LIST / LIFTING PROCEDURES 7
MAINTENANCE PROCEDURES 8
TROUBLE SHOOTING 9
SERVICECHART 10
MAINTENANCE CHART 10
PARTS & DIAGRAMS
FIGURE PAGE
RJ-50-AH-SERIES SPECIFICATION DRAWING FOR TR-30 025-050-046 12
RJ-50-AH-SERIES SPECIFICATION DRAWING FOR PARALLELOGRAM 025-050-047 13
RJ-50-AH-SERIES SPECIFICATION DRAWING FOR TR-33 THRU TR-75 025-050-048 14
RJ-50-AH ASSEMBLY FOR TR-33 THRU TR-75 050-050-090 15
RJ-50-AH ASSEMBLY FOR PARALLELOGRAM 050-050-094 16
RJ-50-AH DECALS 050-050-088 17
RJ-50-AH CENTER ASSEMBLY 050-050-091 18-22
CYLINDER ASSEMBLY 025-050-071 23
SCISSOR ARM ASSEMBLY 025-050-072 24
SLIDER ARM ASSEMBLY 025-050-043 25
HYDRAULIC SCHEMATIC 050-050-069 26
ALI WARNING, CAUTION AND SAFETY MESSAGES 27
ALL INFORMATION, ILLUSTRATIONS, AND SPECIFICATIONS IN THIS MANUAL ARE BASED ON THE LATEST PRODUCT INFORMATION
AVAILABLE AT THE TIME OF PRINTING. WE RESERVE THE RIGHT TO MAKE CHANGES AT ANY TIME WITHOUT NOTICE.

MOHAWK MODEL RJ-50-AH-SERIES
2
IMPORTANT NOTES FOR MOHAWK LIFT DEVICES
RECOMMENDATIONS BY THE INDIVIDUAL USER OR USING
ORGANIZATION FOR IMPROVING THIS PUBLICATION OR ANY
ASPECT OF THE PRODUCT ARE ENCOURAGED AND SHOULD BE
FORWARDED IN WRITING TO:
MOHAWK RESOURCES LTD.
PRODUCT IMPROVEMENTS
65 VROOMAN AVE.
AMSTERDAM, NY, 12010
THIS IS NOT A VEHICLE LIFTING PROCEDURE MANUAL AND NO
ATTEMPT IS MADE OR IMPLIED HEREIN TO INSTRUCT THE USER
IN LIFTING METHODS PARTICULARLY TO THE INDIVIDUAL
APPLICATION OF THE EQUIPMENT DESCRIBED IN THIS MANUAL.
RATHER, THE CONTENTS OF THIS MANUAL ARE INTENDED AS A
BASE LINE FOR OPERATION, MAINTENANCE, TROUBLE
SHOOTING, AND PARTS LISTING OF THE UNIT AS IT STANDS
ALONE AND AS IT IS INTENDED AND ANTICIPATED TO BE USED
IN CONJUNCTION WITH OTHER EQUIPMENT.
PROPER APPLICATION OF THE EQUIPMENT DESCRIBED HEREIN
IS LIMITED TO THE PARAMETERS DETAILED IN THE
SPECIFICATIONS AND THE USES SET FORTH IN THE
DESCRIPTIVE PASSAGES. ANY OTHER PROPOSED APPLICATION
OF THIS EQUIPMENT SHOULD BE DOCUMENTED AND
SUBMITTED IN WRITING TO MOHAWK RESOURCES LTD. FOR
EXAMINATION. THE USER ASSUMES FULL RESPONSIBILITY FOR
ANY EQUIPMENT DAMAGE, PERSONAL INJURY, OR ALTERATION
OF THE EQUIPMENT DESCRIBED IN THIS MANUAL OR ANY
SUBSEQUENT DAMAGES.
DO NOT WELD, APPLY HEAT, OR MODIFY THIS EQUIPMENT IN ANY
MANNER WITHOUT WRITTEN AUTHORIZATION FROM MOHAWK
RESOURCES LTD. CERTAIN ALLOY OR HEAT-TREATED
COMPONENTS MAY BE DISTORTED OR WEAKENED, RESULTING IN
AN UNSAFE CONDITION.
MOHAWK RESOURCES LTD. IS NOT RESPONSIBLE FOR
DISTORTIONS, WHICH RESULT FROM WELDING ON THIS
EQUIPMENT AFTER MANUFACTURING IS COMPLETED.
UNAUTHORIZED WELDING, APPLICATION OF HEAT, OR
MODIFICATION OF THIS EQUIPMENT VOIDS ANY AND / OR ALL
APPLICABLE WARRANTIES COVERING THIS EQUIPMENT.
ALL WARRANTIES APPLICABLE TO THIS EQUIPMENT ARE
CONTINGENT ON STRICT ADHERENCE TO THE MAINTENANCE
SCHEDULES AND PROCEDURES IN THIS MANUAL.
KEEP ALL SHIELDS AND GUARDS IN PLACE. INSURE ALL SAFETY
MECHANISMS ARE OPERABLE. KEEP HANDS, FEET, AND
CLOTHING AWAY FROM POWER-DRIVEN AND MOVING PARTS.
CAUTION
THE EQUIPMENT DESCRIBED IN THIS MANUAL COULD BE
POTENTIALLY DANGEROUS IF IMPROPERLY OR CARELESSLY
OPERATED. FOR THE PROTECTION OF ALL PERSONS AND
EQUIPMENT, ONLY COMPETENTLY TRAINED OPERATORS WHO
ARE CRITICALLY AWARE OF THE PROPER OPERATING
PROCEDURES, POTENTIAL DANGERS, AND SPECIFIC
APPLICATION OF THIS EQUIPMENT SHOULD BE ALLOWED TO
TOUCH THE CONTROLS AT ANY TIME.
SAFE OPERATION OF THIS EQUIPMENT IS DEPENDENT ON USE,
IN COMPLIANCE WITH THE OPERATION PROCEDURES OUTLINED
IN THIS MANUAL ALONG WITH THE MAINTENANCE AND
INSPECTION PROCEDURES WITH CONSIDERATION OF
PREVAILING CONDITIONS.
THE EQUIPMENT DESCRIBED IN THIS MANUAL IS NEITHER
DESIGNED NOR INTENDED FOR ANY APPLICATION ALONE OR IN
CONJUNCTION WITH ANY OTHER EQUIPMENT THAT INVOLVES
THE LIFTING OR MOVING OF PERSONS.
ALWAYS CONSULT THE VEHICLE LIFTING GUIDE FOR THE
PROPER LIFTING POINTS ON ANY VEHICLE. THESE GUIDES ARE
AVAILABLE FROM THE VEHICLE MANUFACTURERS.
AFTER LIFTING THE VEHICLE TO THE DESIRED HEIGHT,
ALWAYS LOWER THE UNIT ONTO THE MECHANICAL SAFETIES.
THE FORMING OF GOOD OPERATIONAL WORK HABITS WILL
ELIMINATE OVERSIGHTS IN THE USE OF PROVIDED SAFETY
DEVICES.
RJ-50-AH-SERIES JACKING BEAMS:
Only certified RJ-50-AH-Series Jacking Beams are intended for use on certified versions of the Mohawk
Parallelogram Lifts (see list below). Follow load rating of beam dependant on what lift it is on. Use of non-
certified jacking beams on certified lifts will void the certification of the lift.
RJ-50P-Series Jacking Beams for use on the following certified lifts:
Model RJ-50-AH-50000: Rated 50,000 Lb on 75k Lb Lifts (4 Post)
Model RJ-50-AH-37500-P: Rated 37,500 Lb on 75-100k Lb Lifts (Parallel)
Model RJ-50-AH-35000: Rated 35,000 Lb on 50k Lb Lifts (4 Post)
Model RJ-50-AH-35000-P: Rated 35,000 Lb on 50k Lb Lifts (Parallel)
Model RJ-50-AH-31500-P: Rated 31,500 Lb on 45k Lb Lifts (Parallel)
Model RJ-50-AH-28000-P: Rated 28,000 Lb on 40k Lb Lifts (Parallel)
Model RJ-50-AH-25000-P: Rated 25,000 Lb on 36-38k Lb Lifts (Parallel)
Model RJ-50-AH-24500: Rated 24,500 Lb on 35k Lb Lifts (4-Post)
Model RJ-50-AH-23000: Rated 23,000 Lb on 33k Lb Lifts (4-Post)
Model RJ-50-AH-20000: Rated 20,000 Lb on 30k Lb Lifts (4-Post)
Use of a pair of Jacking Beams is allowable, but the minimum distance between centerline of the beams (cylinders) is 14 ft min.
Loading of the jacking beams or combinations of jacking beams above the rated capacity of the lift itself could result in personal
injury to the operator and/or damage to the lift and/or vehicle. The load rating of any jacking beam or combination of jacking beams
on this unit must not exceed the rated capacity of the lift.

MOHAWK MODEL RJ-50-AH-SERIES
3
RJ-50-AH-SERIES SPECIFICATIONS
PERFORMANCE SPECIFICATIONS
LIFTING TYPE AIR / HYDRAULIC
LIFTING CAPACITY
(USING BOTH CYLINDERS)
NOTE: CAPACITY IS
DEPENDANT ON WHAT
MODEL LIFT THE JACK
IS ON.
Model RJ-50-AH-50000:
Rated 50,000 Lb on 75k Lb Lift
Models (4-Post)
Model RJ-50-AH-37500-P:
Rated 37,500 Lb on 75k-100k Lb
Lift Models (Parallelogram)
Model RJ-50-AH-35000:
Rated 35,000 Lb on 50k Lb Lift
Models (4-Post)
Model RJ-50-AH-35000-P:
Rated 35,000 Lb on 50k Lb Lift
Models (Parallelogram)
Model RJ-50-AH-31500-P:
Rated 31,500 Lb on 45k Lb Lift
Models (Parallelogram)
Model RJ-50-AH-28000-P:
Rated 28,000 Lb on 40k Lb Lift
Models (Parallelogram)
Model RJ-50-AH-25000-P:
Rated 25,000 Lb on 36-38k Lb
Lift Models (Parallelogram)
Model RJ-50-AH-24500: Rated
24,500 Lb on 35k Lb Lifts
Models (4-Post)
Model RJ-50-AH-23000: Rated
23,000 Lb on 33k Lb Lifts
Models (4-Post)
Model RJ-50-AH-20000: Rated
20,000 Lb on 30k Lb Lifts
Models (4-Post)
LIFTING SPEED
(NO LOAD)
(DEPENDANT ON AIR
SUPPLY PSI & CFM)
120 SECONDS
LOWERING SPEED
(NO LOAD)
(DEPENDANT ON AIR
SUPPLY PSI & CFM)
60 SECONDS
LIFTING HEIGHT
(STROKE) 8 INCHES
MINIMUM HEIGHT OF PAD
FROM TOP OF TRACKS
(FULLY LOWERED)
5 1/4 INCHES
MAXIMUM HEIGHT OF
PAD FROM TOP OF
TRACKS (FULLY RAISED)
23 1/4 INCHES
WITH (1) 3” AND (1) 6”
ADAPTER
WIDTH BETWEEN
CYLINDERS 12 INCHES MIN
36 3/4 INCHES MAX
OVERALL DEPTH 26 INCHES
OVERALL LENGTH 52 INCHES
OVERALL HEIGHT 18 INCHES
SHIPPING WEIGHT 900 LBS
POWER UNIT SPECIFICATIONS
BRAND NAME SPX
MOHAWK PART NUMBER 601-200-108
POWER UNIT TYPE AIR/HYDRAULIC
INPUT PRESSURE AND FLOW
RECOMMENDED: 100 TO 120 PSI
25 CFM MIN
PUMP OUTPUT FLOW: VARIABLE
(based on load)
RELIEF VALVE SETTING VARIABLE
(see capacities)
Max PU Output 3200 psi
RESERVOIR CAPACITY 2 GALLON
HYDRAULIC FLUID MEDIUM DEXRON III ATF
SEE DIMENSIONAL SPEC DRAWING
IN DRAWINGS SECTION
FOR MORE INFORMATION.

MOHAWK MODEL RJ-50-AH-SERIES
4
RJ-50-AH-SERIES PACKING LIST
PART NUMBER PART
DESCRIPTION QTY.
050-050-090
Or
025-050-045
Or
050-050-094
Jack Beam Assy, RJ-50-AH-Series for TR-75
Or
Jack Beam Assy, RJ-50-AH-Series for TR-30
Or
Jack Beam Assy, RJ-50-AH-Series for Parallelogram
1
050-050-067 MANUAL, RJ-50-AH-SERIES 1
050-050-084 LIFTING PAD, Cast 2
050-050-085 LIFTING PAD, AXLE/YOKE TYPE 2
050-050-168 HEIGHT ADAPTER, 5 INCH 2
050-050-169 HEIGHT ADAPTER, 7 1/2 INCH 2
050-050-170 HEIGHT ADAPTER, 10 INCH 2
INSPECTED BY:

MOHAWK MODEL RJ-50-AH-SERIES
5
INSTALLATION INSTRUCTIONS
IMPORTANT
READ THIS MANUAL IN ITS ENTIRETY. BE FAMILIAR WITH PART NAMES AND HAVE A GOOD UNDERSTANDING
OF HOW THIS UNIT IS TO BE ASSEMBLED AND OF HOW INDIVIDUAL
PARTS OPERATE, BEFORE ASSEMBLING THE UNIT.
REFER TO ANSI/ALI ALIS, SAFETY REQUIREMENTS FOR INSTALLATION AND SERVICE OF AUTOMOTIVE LIFTS.
INSTALLATION OF BEAM
THIS JACKING BEAM IS FOR USE ONLY ON MOHAWK
PARALLELOGRAM or TR-SERIES LIFTS.
MOVE JACKING BEAM TO END OF TRACKS. INSERT THE
JACKING BEAM BETWEEN THE TRACKS WITH ROLLERS ON
TRACK RAILS.
NOTE
FOR PARALLELOGRAM LIFTS: THE MEASUREMENT BETWEEN
THE TRACKS AT THE FORE AND AFT END OF THE UNIT MUST BE
THE SAME (45” +1/4 / -0 ) IN ORDER FOR THE JACK TO ROLL
SMOOTHLY ALONG THE ENTIRE LENGTH OF THE TRACKS.
FOR TR-SERIES (4-POST) LIFTS: THE MEASUREMENT BETWEEN
THE TRACKS AT THE FORE AND AFT END OF THE UNIT MUST BE
THE SAME (48” +1/4 / -0 ) IN ORDER FOR THE JACK TO ROLL
SMOOTHLY ALONG THE ENTIRE LENGTH OF THE TRACKS.
RAISE THE LIFT UNIT INSURING THAT THE WHEELS ON THE
JACKING BEAM ARE MAKING PROPER CONTACT WITH TRACK
RAILS
FINE ADJUSTMENTS TO THE WHEELS CAN BE MADE BY
ADJUSTING THE SCREWS AT THE UNDERSIDE OF EACH WHEEL
POSITION.
LASTLY, CONNECT AIR SUPPLY TO FITTING ON JACKING BEAM.
SUPPLY SHOULD BE 100-120 PSI, A MINIMUM OF 25 CFM, AND BE
DRY (USE OF A PNEUMATIC DRYER RECOMMENDED).
NOTE: AIR MUST BE CLEAN AND DRY, OR
WILL VOID THE WARRANTY.

MOHAWK MODEL RJ-50-AH-SERIES
6
SAFETY TIPS
PLEASE POST THE AUTOMOTIVE LIFT SAFETY TIPS CARD, (A COPY IS INCLUDED
IN THE PARTS BOX) WHERE THEY WILL BE CONSTANTLY REMINDED TO YOUR LIFT
OPERATOR. FOR INFORMATION SPECIFIC TO THE LIFT, ALWAYS REFER TO THE MOHAWK
MANUAL.
INSPECT YOUR LIFT DAILY. NEVER OPERATE IT
IF IT MALFUNCTIONS OR IF IT HAS BROKEN OR
DAMAGED PARTS. REPAIRS SHOULD BE MADE
WITH ORIGINAL MOHAWK PARTS.
OPERATING CONTROLS ARE DESIGNED TO
CLOSE WHEN RELEASED. DO NOT BLOCK OPEN
OR OVERRIDE THEM.
NEVER OVERLOAD YOUR LIFT BEYOND
STATED LIFTING CAPACITY. RATED CAPACITY
IS SHOWN ON NAMEPLATE AFFIXED TO THE
LIFT.
ONLY TRAINED AND AUTHORIZED PERSONNEL
SHOULD DO POSITIONING OF VEHICLE AND
OPERATION OF THE LIFT.
DO NOT ALLOW CUSTOMERS OR BY- STANDERS
TO OPERATE THE LIFT OR TO BE IN A LIFTING
AREA DURING ITS OPERATION. ONLY
PROPERLY TRAINED PERSONNEL SHOULD BE
ALLOWED TO OPERATE LIFT.
NEVER RAISE A VEHICLE WITH PERSONS
INSIDE.
ALWAYS KEEP LIFT AREA FREE OF
OBSTRUCTIONS, DEBRIS, GREASE, AND OIL.
PERFORM THE PRE-OPERATION CHECK LIST,
PER INSTRUCTIONS, BEFORE RAISING VEHICLE
TO DESIRED HEIGHT.
BEFORE DRIVING VEHICLE INTO THE BAY,
POSITION RJ CYLINDERS, PADS AND WHEEL
CHOCKS OUT OF THE WAY TO PROVIDE
UNOBSTRUCTED CLEARANCE. DO NOT HIT OR
RUN OVER CYLINDERS, ADAPTERS, OR WHEEL
STOPS. THIS COULD DAMAGE LIFT OR VEHICLE.
LOAD VEHICLE ON JACK PADS TO CONTACT AT
THE VEHICLE MANUFACTURER’S
RECOMMENDED LIFTING POINTS. RAISE JACK
CYLINDERS UNTIL SUPPORTS CONTACT
VEHICLE. CHECK SUPPORTS FOR SECURE
CONTACT WITH VEHICLE. RAISE JACK
CYLINDERS TO DESIRED WORKING HEIGHT.
NOTE THAT WITH SOME VEHICLES, THE
REMOVAL OR INSTALLATION OF COMPONENTS
MAY CAUSE A CRITICAL SHIFT IN THE CENTER
OF GRAVITY, AND RESULT IN RAISED VEHICLE
INSTABILITY. REFER TO THE VEHICLE
MANUFACTURER’S SERVICE MANUAL FOR
RECOMMENDED PROCEDURES WHEN VEHICLE
COMPONENTS ARE REMOVED.
BEFORE LOWERING LIFT, BE SURE TOOL
TRAY’S, STANDS, ETC. ARE REMOVED FROM
UNDER VEHICLE. RELEASE LOCKING DEVICES
BEFORE ATTEMPTING TO LOWER LIFT.
BEFORE REMOVING VEHICLE FROM THE LIFT
AREA, ENSURE THAT THE HYDRAULIC
CYLINDER HAS BEEN COMPLETELY
RETRACTED, AND THAT THE LIFTING PADS
AND HEIGHT ADAPTERS HAVE BEEN PLACED IN
THEIR PROPER PLACE.
BEFORE LOWERING LIFT, BE SURE JACKING
BEAM IS LOCATED AT END OF LIFT WHERE
FLOOR POCKET IS LOCATED (FOR FLUSH
MOUNT LIFTS ONLY).

MOHAWK MODEL RJ-50-AH-SERIES
7
PRE - OPERATION CHECK LIST
TRAINED OPERATOR
THE OPERATOR MUST BE FULLY TRAINED AND QUALIFIED
TO SAFELY AND EFFECTIVELY OPERATE THIS EQUIPMENT
OF THIS SPECIFIC MAKE AND MODEL.
ABSENCE OF OBSTRUCTIONS
THE TOTAL WORK AREA MUST BE FREE OF ANY AND ALL
OBSTRUCTIONS AND BE GENERALLY CLEAN. (FREE OF OIL
AND DEBRIS)
VISUAL INSPECTION
THOROUGHLY INSPECT THE UNIT WITH A TRAINED EYE,
NOTING ANY PROBLEM AREAS. INSPECT THE FLOOR AND
THE ANCHORING FASTENERS AS WELL. REPORT ANY
QUESTIONABLE ITEMS.
NO LOAD PERFORMANCE CHECK
NO EXTERNAL FLUID LEAKS.
NO BLEED DOWN.
EFFORTLESS AND SIMULTANEOUS MOVEMENT.
LEVEL LIFTING
CONTROLS FUNCTION PROPERLY.
PREVIOUS DAY' S OPERATION REPORT
VERIFY WITH SUPERVISOR THAT THERE WAS NO
PROBLEMS EXPERIENCED THE PREVIOUS DAY. IF THERE
WERE ANY PROBLEMS, VERIFY THAT ALL NECESSARY
REPAIRS HAVE BEEN COMPLETED.
LIFTING PROCEDURES
LIFT PREPARATION AND VEHICLE POSITIONING
PERFORM PRE-OPERATION CHECK LIST ITEM BY ITEM.
POSITION THE VEHICLE ONTO THE LIFT SO THAT ALL TIRES
ARE SECURELY ON THE TRACKS.
POSITION THE VEHICLE CENTERED ON THE TRACKS, SO
THAT THE WEIGHT IS DISTRIBUTED EVENLY, FORE AND
AFT. NOTE:
ALIGN THE VEHICLE’S CENTER OF GRAVITY WITH THE
CENTERLINE OF THE TRACKS.
PLACE THE WHEEL CHOCKS IN A POSITION SO THAT THE
VEHICLE WILL BE SECURE ON THE LIFT. PLACE CHOCKS
OPPOSING EACH OTHER, PREFERABLY ON THE END OF THE
VEHICLE THAT IS NOT GOING TO BE RAISED BY THE
JACKING BEAM.
PLACE THE JACKING BEAM INTO POSITION, ENABLING
LIFTING FROM EITHER FRONT OR REAR AXLE.
TO RAISE
DEPRESS THE RIGHT SIDE LEVER OF THE POWER UNIT TO
RAISE.
ENSURE PROPER PAD ENGAGEMENT WITH FRAME OR
AXLE.
PLACE THE LIFTING PADS PER MFG’S RECOMMENDED LIFT
POINTS FOR THE VEHICLE. REFER TO ALI/LP-GUIDE,
ALI/SM01-2 “LIFTING IT RIGHT” GUIDE, AND REFER TO THE
RECOMMENDED LOCATION AND FORMAT OF THE VEHICLE
LIFT POINT LABEL PER ANSI/SAE J2184-OCT92.
CAUTION:
IF PROPER AND SAFE LIFTING POINTS ON THE FRAME OF
THE VEHICLE CAN NOT BE REACHED BY THE LIFTING PADS,
DO NOT RAISE THIS VEHICLE!
ADAPTER USAGE AND LIMITATIONS:
THE USE OF HEIGHT ADAPTERS IS COMMON FOR MOST
LIFTING SITUATIONS TO ACCOMMODATE HIGH FRAMES
AND LOW OVERHANGING BODIES OF VEHICLES.
THESE JACKS ARE ONLY ALLOWED TO USE 2 ADAPTERS
WHEN STACKED: ONE (1) 7 1/2” AND ONE (1) 10” ADAPTER,
RESULTING IN 17 1/2” MAXIMUM STACKING HEIGHT.
LONGER CUSTOM SINGLE PIECE ADAPTERS ARE
AVAILABLE UPON REQUEST.
RAISE VEHICLE AXLE TO DESIRED HEIGHT.
LOWER ONTO MECHANICAL LOCK.
TO LOWER
INSPECT THE LIFTING AREA TO INSURE THAT ALL
PERSONNEL AND DEBRIS HAVE BEEN CLEARED FROM THE
LIFTING AREA.
RAISE BEAM ABOUT ½ INCH UNTIL LOCK RELEASE LEVER
RELEASES LOCKS.
WHILE HOLDING LOCK RELEASE LEVER DOWN, DEPRESS
THE LEFT SIDE LEVER OF THE POWER UNIT TO LOWER.
BEFORE REMOVING VEHICLE FROM THE LIFT AREA,
ENSURE THAT BOTH RJ HYDRAULIC CYLINDERS HAVE
BEEN COMPLETELY RETRACTED, AND THAT THE LIFTING
PADS AND HEIGHT ADAPTERS HAVE BEEN PLACED IN
THEIR PROPER PLACE. PRIOR TO LOWERERING LIFT,
LOCATE BEAM TO PIT END OF TRACK IF NECESSARY (FOR
FLUSH MOUNTED LIFTS)
REMOVE WHEEL CHOCKS BEFORE REMOVING VEHICLE
FROM LIFT.

MOHAWK MODEL RJ-50-AH-SERIES
8
MAINTENANCE PROCEDURES
-- TRAINED LIFT SERVICE PERSONNEL ONLY –
REFER TO ANSI/ALI ALIS, SAFETY REQUIREMENTS FOR INSTALLATION AND SERVICE OF AUTOMOTIVE LIFTS.
DAILY
PERFORM THE PRE-OPERATION CHECK LIST.
REPORT ANY AND ALL EQUIPMENT MALFUNCTIONS
IMMEDIATELY.
CLEAN ALL MOVING PARTS. IF OXIDIZATION IS
OCCURRING USE A LIGHT LUBRICANT. (WD - 40 OR
EQUIVALENT)
KEEP AREA AROUND THIS EQUIPMENT FREE OF DIRT, SALT,
SAND, WATER, ETC.
WEEKLY
PERFORM THE DAILY OPERATION CHECK LIST.
WIPE CLEAN, THE CYLINDER’S WIPER SEALS AND THE
INSIDE OF EACH CYLINDER COMPARTMENT TO REMOVE
ACCUMULATED DEBRIS.
VERIFY FLUID LEVEL. WITH THE UNIT FULLY LOWERED,
THE FLUID LEVEL WILL BE 1/2 INCH BELOW THE BREATHER
CAP PORT. USE DEXRON III AS REPLACEMENT FLUID.
MONTHLY
INSPECT LIFTING COMPONENTS FOR DEFORMATION, WEAR
OR CORROSION.
INSPECT ALL HYDRAULIC COMPONENTS FOR LEAKS,
DEFORMATION, WEAR OR CORROSION.
TIGHTEN ALL FASTENERS, PNEUMATIC FITTINGS AND
HYDRAULIC 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 IS TO BE REMOVED,
RE-SEALED, AND RE - INSTALLED. (SELECT - UNITE
THREAD SEALANT OR EQUIVALENT ON FITTING
THREADS)
SEMI- ANNUAL
QUALIFY / RE-QUALIFY ALL PERSONNEL IN THE SAFE
OPERATION OF THIS UNIT.
ANNUALLY
REPLACE AND RE-BLEED THE HYDRAULIC FLUID. ALWAYS
USE A CLEAN FUNNEL AND FILTER. USE DEXRON III
HYDRAULIC FLUID.
INSPECT ALL BEARINGS FOR UNUSUAL OR EXCESSIVE
WEAR. (REPLACE IF NEEDED)
PERFORM THE DAILY, WEEKLY, AND MONTHLY
MAINTENANCE PROCEDURES.
PART REPLACEMENT NOTES
REPLACE ALL WORN OR BROKEN PARTS WITH GENUINE
LIFT MANUFACTURER SUPPLIED PARTS (FROM MOHAWK
RESOURCES LTD. ONLY)
ALL REPLACEMENTS OF PARTS ARE TO BE PERFORMED BY
TRAINED LIFT SERVICE PERSONNEL ONLY.
UPON PART REPLACEMENT, JACK MUST PASS A FULL
INSPECTION AS DEEMED SUITABLE BY TRAINED LIFT
SERVICE PERSONNEL.

MOHAWK MODEL RJ-50-AH-SERIES
9
TROUBLE SHOOTING
WARNING: NEVER ATTEMPT TO LOOSEN HYDRAULIC FITTINGS, OR OVERRIDE SAFETY DEVICES IN AN
ATTEMPT TO CORRECT A PROBLEM. ALL TESTS ARE TO BE PERFORMED WITH NO VEHICLE.
POSSIBLE CAUSE SOLUTION
NOT PUMPING
NO AIR / LOW AIR SUPPLY JACK REQUIRES 100-120 PSI, 25 CFM MINIMUM.
DEFECTIVE / DAMAGED PUMP CONTACT MOHAWK SERVICE DEPARTMENT.
DEFECTIVE PU VALVE CONTACT MOHAWK SERVICE DEPARTMENT.
NOT PUSHING VALVE LEVER / CORRECT LEVER REFER TO JACK OPERATION INSTRUCTIONS.
NOT LIFTING LOAD (OR RAISING SLOWLY)
UNIT OVERLOADED VEHICLE IS TOO HEAVY TO BE RAISED. COMPARE VEHICLE WEIGHT WITH
JACK LIFTING CAPACITY.
PRESSURE RELIEF SETTING NEEDS ADJUSTMENT
(SET TOO LOW) REFER TO POWER UNIT SPECIFICATIONS. CONTACT MOHAWK SERVICE
DEPARTMENT.
PRESSURE RELIEF CONTAMINATION REFER TO POWER UNIT SPECIFICATIONS. REMOVE AND CLEAN DEBRIS FROM
VALVE ASSEMBLY. CONTACT MOHAWK SERVICE DEPARTMENT.
INSUFFICIENT AIR SUPPLY / FLOW JACK REQUIRES 100-120 PSI, 25 CFM MINIMUM.
HYDRAULIC SYSTEM CONTAMINATION CYCLE UNIT EMPTY SEVERAL TIMES. IF NEGATIVE RESULT, FLUSH OUT
SYSTEM AND REPLACE WITH DEXRON III ATF.
NOT LOWERING LOAD
INSUFFICIENT AIR SUPPLY JACK REQUIRES 100-120 PSI, 25 CFM MINIMUM.
NOT PUSHING VALVE LEVER / CORRECT LEVER REFER TO JACK OPERATION INSTRUCTIONS.
UNIT STILL ON LOCKS RAISE UNIT ~1/2”, PUSH LOCK RELEASE LEVER DOWN AND HOLD DOWN,
WHILE PRESSING LOWER LEVER ON POWER UNIT.

MOHAWK MODEL RJ-50-AH-SERIES
10
SERVICE CHART
MODEL: _________________________
SERIAL NUMBER: _________________________
DATE OF INSTALLATION: _________________________
DATE PART REPLACED / SERVICED SERVICE
COMPANY SERVICED BY
MAINTENANCE CHART
DATE MAINTENANCE PERFORMED SERVICE
COMPANY SERVICED BY

MOHAWK MODEL RJ-50-AH-SERIES
11
MOHAWK
PARTS & DIAGRAMS
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.
MODEL
RJ-50-AH-SERIES

MOHAWK MODEL RJ-50-AH-SERIES
12

MOHAWK MODEL RJ-50-AH-SERIES
13

MOHAWK MODEL RJ-50-AH-SERIES
14

MOHAWK MODEL RJ-50-AH-SERIES
15
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