Hyundai — Pump removal
Maintenance · Main hydraulic pump
From a Hyundai service manual — check it applies to your exact model before use.
Before you start
- Escaping fluid under pressure can penetrate the skin causing serious injury.
Procedure
- Lower work equipment to ground and stop engine.
- Operate control levers and pedals several times to release remaining pressure in hydraulic piping.
- Loosen breather slowly to release pressure inside hydraulic tank.
- Loosen drain plug under hydraulic tank and drain oil. Hydraulic tank quantity: 180ℓ.
- Remove socket bolts(74) and disconnect pipe(9).
- Disconnect pilot line hoses(4,5,6,7,8,9).
- Remove socket bolts(72) and disconnect pump suction tube(3). Catch oil with pan.
- Sling pump assembly and remove pump mounting bolts. Weight: 120kg(265lb).
- Pull out pump assembly from housing. Check all hoses are disconnected.
Specs & values
- Hydraulic tank quantity: 180ℓ
- Pump weight: 120kg(265lb)
Source: Hyundai service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.