Mohawk IA - Page 26

MOHAWK MODELS SYSTEM IA & SYSTEM IA-10
18
TROUBLE SHOOTING, CONTINUED
POSSIBLE CAUSE
SOLUTION
RAISING UNEVEN, CONTINUED
SHOP FLOOR UNEVEN
USE SPECIAL LIFT PADS. SEE FIGURE 13.
DIVERTER VALVE
REMOVE BLEED LINE FROM THE TOP OF THE OFF SIDE CYLINDER AND CAP
USING MOHAWK PART # 601-420-001. IF THE UNIT CONTINUES TO DRIFT DOWN
THE DIVERTER PULL VALVE WILL NEED TO BE CLEANED OR REPLACED.
BLEEDER VALVE
REMOVE BLEED LINE FROM THE TOP OF THE OFF SIDE CYLINDER AND CAP
USING MOHAWK PART # 601-420-001. IF THE UNIT NO LONGER DRIFTS DOWN
THE BLEEDER VALVE WILL NEED TO BE SERVICED OR REPLACED..
MAIN SIDE CYLINDER
PERFORM HYDRAULIC SAFETY CHECKS. CHECK FOR INTERNAL HYDRAULIC
LEAKS
SLOW DRIFT DOWN
SAFETIES NOT ENGAGED
RAISE UNIT TO RE-ENGAGE SAFETIES. THEN LOWER UNIT ONTO SAFETIES.
POWER UNIT LOWERING VALVE
CONTAMINATION
BACK FLUSH POWER UNIT: PULL DOWN ON THE LOWERING HANDLE, AND
THEN ENGAGE THE UP BUTTON AT THE SAME TIME. RUN UNIT APPROX. 10
SECONDS
DIVERTER VALVE
REMOVE BLEED LINE FROM THE TOP OF THE OFF SIDE CYLINDER AND CAP
USING MOHAWK PART # 601-420-001. IF THE UNIT CONTINUES TO DRIFT DOWN
THE DIVERTER PULL VALVE WILL NEED TO BE CLEANED OR REPLACED.
BLEEDER VALVE
REMOVE BLEED LINE FROM THE TOP OF THE OFF SIDE CYLINDER AND CAP
USING MOHAWK PART # 601-420-001. IF THE UNIT NO LONGER DRIFTS DOWN
THE BLEEDER VALVE WILL NEED TO BE SERVICED OR REPLACED..
EXTERNAL HYDRAULIC LEAKS
NOTE: TIGHTEN ALL FITTINGS PER SPECIFICATIONS
MAIN SIDE CYLINDER
THOROUGHLY CLEAN THE CYLINDER. VERIFY LEAK ORIGIN. FITTINGS ARE
TO BE TIGHTENED PER SPECIFICATIONS
OFF SIDE CYLINDER
THOROUGHLY CLEAN THE CYLINDER. VERIFY LEAK ORIGIN. FITTINGS ARE
TO BE TIGHTENED PER SPECIFICATIONS.
BAD FLAIR OR FITTING
REMOVE THE HYDRAULIC LINE AND INSPECT FLAIR AND FITTING FOR
DEFORMATION. REPLACE IF NEEDED.
BAD O-RING (O-RING TYPE FITTINGS)
CHANGE O-RING
LOOSE PIPE FITTING
REMOVE, RESEAL, AND RE-INSTALL FITTING.
SEAL ALL PIPE FITTING CONNECTIONS WITH THREAD SEALANT MOHAWK
PART # 601-610-002 NOTE: DO NOT USE TEFLON TAPE.
MECHANICAL LOCK RE-ENGAGES
CHAIN BREAK SAFETY CABLE NEEDS
ADJUSTMENT
TENSION IN CABLE MAY BE TO TIGHT. REFER TO FIGURE 15.
MECHANICAL LOCK HARD TO PULL
CHAIN BREAK SAFETY CABLE NEEDS
ADJUSTMENT
TENSION IN CABLE MAY BE TO TIGHT. REFER TO FIGURE 15.
FLIPPER STICKING ONTO LOCK BAR
APPLY A SMALL AMOUNT OF LUBRICANT TO THE LOCK BAR WHERE THE
FLIPPER RIDES. (DO NOT USE HEAVY GREASE)