The Minor Rebuild Kit will fix worn plastic pistons inside the Barrel. If metal parts are worn out, you need the Major Rebuild Kit, item 10-1120 . The Minor Rebuild Kit contains the following parts:

• 10-1361 Low Pressure Piston, qty 2
• 10-1369 Low Pressure Piston O-Ring, qty 2
• 10-1379 High Pressure Piston, qty 1
• 10-1332 Spool Valve O-Ring, Heavy Duty, qty 6
• 10-1550 Silicone Grease Minitube

How to Install the Rebuild Kit

How to Replace the Spool Valve O-Rings

How to Slide the Pistons and Collar into the Barrel