Answer
Jul 16, 2026 - 11:52 AM
To install a seal repair kit on a Giant unloader Giant Pumps, relieve system pressure completely and remove the unloader from the pump How to replace an unloader valve. Disassemble the valve stem, replace all worn O-rings and seats, apply a light coat of silicone grease, and reassemble carefully to ensure smooth plunger actuation.
Please see attached PDF for exploded view of GIANT unloader to view all seals
Please see attached PDF for exploded view of GIANT unloader to view all seals
