Page 2
If only one connection is use, a safety margin of 3 feet (1 meter) has to be added to the required NPSH. Giant plunger pumps are only suitable for pumping fresh clean water. IMPORTANT! The GP7645GB, GP7650GB and GP7655GB...
Page 3
Stroke ............2.28” (58 mm) Weight ............474 lbs (215 kg) Shaft Rotation ..........Pinion Shaft Towards Back of Pump GP7645GB, GP7650GB & GP7655GB Materials Used for GP Pumps: Gear Ratios and Input Speeds Manifold ..Nickel-Plated Spheroidal Cast Iron Plungers ..
Page 7
GP7645GB, GP7650GB & GP7655GB Repair Instructions TO CHECK VALVES Loosen plugs (58), take out tension spring (57) and then remove the complete valve assembly (#51 & 52) with either a valve tool or an M16 hexagon screw. Check sealing surfaces and replace worn parts. The dis- charge valve seat (# 52E) can be used on both sides.
Page 8
Liability under this warranty is on all non-wear parts and limited to the replacement or repair of those products returned freight prepaid to Giant Industries which are deemed to be defective due to workmanship or failure of material. A Returned Goods Authorization (R.G.A.) number and completed warranty evaluation form is required prior to the return to Giant Industries of all products under warranty consideration.
Need help?
Do you have a question about the GP7645GB and is the answer not in the manual?
Questions and answers