Stanley Underwater Hydraulic Grinder - GR29310

Q: What is the Stanley GR29310 Underwater Hydraulic Grinder used for?
A: It is a heavy-duty hydraulic grinder designed for underwater grinding, weld preparation, surface cleaning, rust removal, and cutting in commercial diving applications.

Q: What hydraulic flow and pressure does it require?
A: It operates at 7–9 GPM (26–34 LPM) with a working pressure of 1,500–2,000 PSI (105–140 bar). The optimum flow is 8 GPM (30 LPM).

Q: What wheel size does the grinder support?
A: The GR29310 is designed for 9-inch (230 mm) grinding wheels, making it suitable for demanding underwater grinding tasks.

Q: Does it include a safety guard?
A: Yes. It features an adjustable wheel guard to help improve operator safety while maintaining clear visibility during grinding.

Q: Is it suitable for continuous underwater operation?
A: Yes. Its rugged hydraulic motor is built for reliable, continuous-duty performance in harsh underwater environments.

Q: Are hose whips and couplers included?
A: The grinder includes hose whips, while quick-disconnect hydraulic couplers are sold separately.

• Rinse thoroughly with fresh water after every underwater use.
• Remove salt, sand, and grinding debris from the tool.
• Inspect hydraulic hoses, fittings, seals, and couplers before operation.
• Check the grinding wheel, guard, and spindle for wear or damage.
• Verify hydraulic flow and pressure meet manufacturer specifications.
• Keep moving parts clean and lubricated as recommended.
• Tighten loose fasteners and replace worn grinding wheels promptly.
• Store the grinder clean, dry, and with hydraulic ports protected.