
Great Plains | 166-486M | 2019/01/29
98
Spartan
II
607
Troubleshooting
Lift Lock Troubleshooting
Brake Troubleshooting
Problem
Causes
Solutions
Pawl engaged after
unfold
Lock cylinder not retracted.
Unfold the implement (page 27) to retract
lock cylinder.
Pawl held by lift lug.
Perform a lift operation (page 31) to move
lug and free pawl.
Pilot-operated check valve not activated.
Extend lift circuit.
Extend fold circuit.
Temporarily increase pressure in both
down-pressure and weight transfer circuits.
Implement lowered
after folding - pawl not
engaged
Implement was not fully raised before
lowering
Problem
Causes
Solutions
Smoke or odd burning
odor from axle area
Overheated brakes, typically on long steep
hills
Stop immediately. Wait for brakes to cool
completely. Moderate downhill speed by
using lower gear and frequent full stops.
Check brake components for heat distortion.
New brakes may exhibit slight smoking or
odors until linings seat on drums.
Check brakes if problem persists, or braking
action is insufficient.
Braking insufficient -
one wheel
Tire under-inflated.
Inflate all tires to specification.
Worn brake linings and/or drum
Service the brakes.
Worn or leaking brake chamber
Rebuild or replace brake chamber.
Grease or oil on linings
Correct problem causing contamination.
Service brakes.
Brake adjusting rod too short
Lengthen brake adjusting rod
Braking insufficient -
both wheels
Hydraulic brake system - air in brake line
from tractor
Check for loose fittings. Check for damaged
fittings and lines. Check for damage or worn
operating components. Correct source of
leak. Bleed and recharge system.
Air brakes - leaks in air system
Repair leaks.
Air brakes - clogged filters
Clean filters (page 79).
Air brakes - valve open
Close shunt valve (page 21).
Make sure drain valve on air reservoir is
closed (page 79).
Hydraulic brakes - air in brake lines
Bleed brake lines (page 78).
Brake linings and/or drums worn
Service brakes.
Brake linings replaced with unapproved
parts having inadequate friction rating
Replace shoes with approved parts.
Air brakes - pressure supplied by tractor
insufficient
Minimum required pressure for air system is
55 kPa8.
Both brake adjusting rods too short
Lengthen both brake adjusting rods