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CONDITION CAUSE CORRECTION
• Rear camshaft maladjusted
• #2 spool travel restricted by
the mow-lift switch.
• The lift check poppet in #1
spool section is stuck partially
closed.
• Readjust
• Readjust the switch
• Remove the lift check. Repair
or replace.
10. Cutting units lift too slowly.
• Maladjusted front lift cylinders
• Readjust
9. Front cutting units too high
or too low when raised
(transport) position.
• Maladjusted flow control valve • Readjust8. Center cutting (#1) unit
dropping too late or too
early.
• Binding lift cylinders &
linkages. (lack of lubrication).
• Lubricate more frequently.7. All 3 cuffing units raise and
lower too slowly.
• Lack of lubrication in #4 spool
detent assembly.
• Remove the valve bank.
Dissassemble the detent
assembly & repair.
6. Binding shift lever
• Low oil level in the reservoir
• Loose shift lever bracket
• Maladjusted rear camshaft
• Engine lacks power
• Add oil to the proper level
• Readjust & tighten the shift
lever
• Readjust
• Repair as necessary
5. Slow or no traction in all
selections. (Reels affected)
• Brakes dragging
• Faulty O-ring seals around the
traction relief cartridge or the
inlet sleeve in #4 spool valve.
Fluid leaking by the tank.
•Worn or weak traction
motor(s).
• Pump excessively worn.
•Traction relief in #4 spool valve
open
• Determine cause & repair
• Remove the relief and inlet
sleeve. Replace the O-rings.
•Test to verify. Repair or
replace motor(s).
•Test to verify. Repair or
replace.
• Remove, repair or replace.
4. Slow or no traction in all
selections.
• Traction motor lacks efficiency.
Fluid leaking past internal
gears.
• Hydraulic pump lacks efficiency.
Fluid leaking past internal
gears.
•Test to identify faulty motor.
Repair or replace the motor.
•Test to verify diagnosis. Repair
or replace the pump.
3. No #1 or Reverse Traction
speed. Normal #2 speed.
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