Water Pump Impeller Removal; Water Pump Impeller Inspection; Water Pump Impeller Installation; Rotary Seal And Oil Seal Removal - TGB EST 1000 Service Manual

WATER PUMP IMPELLER

Water Pump Impeller removal

1. Remove water housing.
2. Unscrew impeller.
NOTICE: Water pump shaft and impeller have
right hand threads. Remove by turning
counterclockwise and install by turning
clockwise.
TORQUE: 220~250 kgf.cm

Water Pump Impeller Inspection

Check impeller for cracks or other damage.
Replace impeller if damaged.

Water Pump Impeller Installation

The installation is reverse of the removal
procedure.
NOTICE: Be careful not to damage impeller fins
during installation.
WATER PUMP SHAFT AND SEALS

Rotary Seal and Oil Seal Removal

(Assembled Engine)
Remove water pump housing.
1. Using special tool onto the rotary seal and
insert the small chisel pin strong punch with
hammer on the seal plate.
2. Install three screws through the tool hole.
3. Screw the special tool and pull out the rotary
seal.
NOTICE: Be careful not to damage the
crankcase while removing outer part of the
rotary seal.
4. Thoroughly remove carefully sealing residue
and burr of rotary seal using a scraper.
NOTICE: Be careful not to damage water pump
shaft.
5. Install 2 wooden screws in the seal.
5-1. ENGINE ASSEMBLY
5-15