Product Troubleshooting & Maintenance
Troubleshooting guides for Macnaught, LockNLube, and STM products, offering clear steps to identify faults, understand common causes, and restore reliable performance across all supported equipment.
Grease Equipment
- LockNLube Heavy Duty Lever Grease Gun (LNL151-450) - Troubleshooting
- LockNLube Grease Coupler XL (GC81042-NPT & GC81042-BSPT) - Troubleshooting
- LockNLube Grease Coupler (Standard 1/8″) – (GC81011-NPT/GC81068-NPT) / (GC81011-BSPT/GC81068-BSPT) - Troubleshooting
- LockNLube Pistol-Grip Grease Guns – Heavy Duty & Premium Models (LNL153-450 & LNL252-450) - Troubleshooting
- The Original Grease Buster® (Clogged Grease Fitting Cleaner) – GB17-ANZ / GB19-ANZ - Troubleshooting
- LockNLube 8-Piece Quick-Connect Greasing Accessory Kit – LNL210-ANZ - Troubleshooting
- LockNLube Pressure Return Valve (PRV) for Cordless Grease Guns – (LNL81300-M-ANZ / LNL81300-D-ANZ / LNL81300-MK-ANZ) Troubleshooting
Air Equipment
- LockNFlate XL Locking Air Chucks for Large Bore Tire Valves (Open Flow & Closed Flow – LNL65021-BSPT & LNL65022-BSPT) - Troubleshooting
- LockNFlate 90° Angled Locking Air Chucks (Open Flow & Closed Flow – LNL65011-BSPT & LNL65012-BSPT) - Troubleshooting
- LockNFlate Straight Locking Air Chuck (Open-Flow & Closed-Flow Models – LNL65001-BSPT & LNL65002-BSPT) Troubleshooting
- LockNFlate Dual Wheel Locking Air Chucks (Straight & Angled Heads – LNL65107-BSPT & LNL65108-BSPT) Troubleshooting