TROUBLESHOOTING 3.15.4.3 BRAKING SYSTEM 3.15.4.4 CONVERTER 139 TROUBLE CAUSE REMEDY Braking not regular for both wheels: • Brake discs worn. • No oil in brake pump. • Air in braking circuit. (•) Change. (•) Top up and bleed circuit. (•) Bleed circuit. Braking not regular on one side only: • Air in braking circuit. • Brake disc worn. (•) Bleed circuit. (•) Change. TROUBLE CAUSE REMEDY Low pressure in the clutch: • Oil level. • Clutch pressure adjusting valve locked open. • Faulty delivery pump. • Clutch shaft or piston rings. • Leakages due to clutch piston pump locked open. • Top up. (•) Clean element and seat. (•) Change. (•) Change rings. (•) Clean valve carefully.
Pump delivery insufficient: • Oil level. • Suction filter clogged. • Faulty pump. • Top up. • Clean filter. (•) Change. Overheating: • Damaged rings. • Faulty pump. • Oil level. • Dirty heat exchanger. • Damaged heat exchanger. (•) Remove, disassemble and reas- semble the unit. (•) Change. • Top up. • Clean. • Change. Noisy converter: • Faulty pump. • Damaged bearings. (•) Change. (•) Remove and change. Lack of power: • Low engine rpm causes stall speed. • Defect as if due to overheating. (•) Check and set up engine governor. • See remedies in case of overheat- ing.