Mohawk A-7, Manual

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MOHAWK MODEL A-7
8
INSTALLATION INSTRUCTIONS
BLEEDING PROCEDURE
ENGAGE THE UP BUTTON ON THE POWER UNIT. OBSERVE THE
CARRIAGE. WHEN THE MAIN AND OFF SIDE CARRIAGES HAVE
REACHED FULL HEIGHT CONTINUE TO RUN THE UNIT FOR 10
SECONDS.
RELEASE THE UP BUTTON AND WAIT ONE MINUTE, THEN HOLD
THE UP BUTTON AGAIN FOR 10 SECONDS. REPEAT THIS
PROCEDURE THREE TIMES. (THIS WILL PURGE THE AIR FROM
THE HYDRAULIC SYSTEM)
NOTE

LISTEN FOR THE PRESSURE RELIEF VALVE. A NOTICEABLE
INCREASE 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.
ASSEMBLE THE TWO HEIGHT ADAPTERS BRACKETS TO THE
BACK OF THE MAIN AND OFF SIDE POST USING THE CYLINDER
CLAMPS, WASHERS & NYLON LOCK NUTS.
PLACE THE FOUR 3 IN. AND FOUR 6 IN. HEIGHT ADAPTERS INTO
PLACE INTO THE HEIGHT ADAPTER BRACKETS.
SHIMMING THE POST
LEVEL THE POST BY INSERTING THE SUPPLIED SHIMS UNDER
THE POST FOOTING AROUND THE WEJ-IT ANCHOR. THE LIFT
MUST BE LEVEL BOTH FRONT TO REAR AND SIDE TO SIDE. A
LEVELING DEVICE AND A MEASURING TAPE MUST BE USED. SEE
FIGURE 7 & 8.

LEVEL THE MAIN SIDE POST FRONT TO REAR AND SIDE-TO-
SIDE USING A BUBBLE LEVEL.

LEVEL THE OFF SIDE POST FRONT TO REAR USING A
BUBBLE LEVEL. SET THE POST PARALLEL TO THE MAIN
SIDE POST USING A MEASURING TAPE, 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.
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 WITH ALL FUNCTIONS OF THE LIFT UNIT, NEVER OPERATE
THE DIVERTER VALVE UNLESS YOU HAVE FIRST PERFORMED
THIS OPERATION WITH NO VEHICLE, AND FULLY UNDERSTAND
ITS FUNCTIONS.
BOTH MECHANICAL SAFETIES MUST BE ENGAGED BEFORE
OPERATING THE DIVERTER VALVE.
PURPOSE

THE PURPOSE OF THE DIVERTER VALVE IS TO ENABLE THE
OPERATOR TO RAISE OR LOWER THE OFF SIDE CARRIAGE
INDEPENDENTLY OF THE MAIN SIDE CARRIAGE.
TO OPERATE THE DIVERTER VALVE
ENGAGE THE DIVERTER VALVE BY PULLING DOWN ON THE
DIVERTER VALVE PULL KNOB.

THIS WILL DIVERT ALL FUNCTIONS OF THE POWER UNIT TO
THE OFF SIDE CYLINDER.
WITH THE VALVE ENGAGED, ENERGIZE THE POWER UNIT BY
PUSHING THE UP BUTTON.
WHEN THE DESIRED HEIGHT HAS BEEN ACHIEVED, RELEASE
THE DIVERTER VALVE PULL KNOB AND THE UP BUTTON.
PULLING DOWN ON THE LOWERING HANDLE, LOWER THE UNIT
ONTO BOTH MECHANICAL SAFETIES ENDING THIS PROCEDURE.