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NOTE
Before disassembling, be sure to drain the oil from the pump. Models 2 & 3 HP have the same construction.
However, models 5 & 7.5 HP are constructed without shaft sleeve.
Disassembly procedure for 2 - 3 HP
1. Removing the strainer stand.
Remove the hexagonal nut and the plain washer from the bottom and remove the
strainer stand from the pump.
2. Removing the suction cover.
Remove the hexagonal bolt (except 2 & 3 HP), plain washer and the stud bolt with the
plain washer, and remove the suction cover packing from the pump.
3. Removing the impeller.
Using a box wrench, remove the impeller nut, spring washer and impeller thread protective
cover; then remove the impeller, impeller adjusting washer, shaft sleeve (except 5 & 7.5 HP) from the main shaft.
4. If necessary, remove the pump casing, oil seal, O-ring and remove the mechanical seal.
After removing the
hexagonal bolt and the spring washer, remove the pump casing from the pump. At this time, be careful not to damage
the sliding surface of the mechanical seal. Remove the mechanical seal from the main shaft.
NOTE
The replacement or maintenance of the mechanical seal must be handled by the qualified staff. If you see
any omissions, contact the dealer from whom you purchased the equipment.
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