Instruction/ maintenance manual of the product GP7128 Giant
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Triplex Ceramic Plunger Pump Operating Instructions/ Repair and Service Manual Model GP7128 Contents: Installation Instructions: page 2 Pump Specifications: page 3 Exploded View: page 4 Parts List/Kit.
2 INSTALLATION INSTRUCTIONS Installation of the Giant Industries, Inc., pump is not a complicated procedure, but there are some basic steps common to all pumps. The following information is to be considered as a general outline for installation. If you have unique requirements, please contact Giant Industries, Inc.
GP7128 HORSEPOWER REQUIREMENTS RPM GPM 3000 PSI 4000 PSI 5000 PSI 5800 PSI 300 7.2 15.4 20.6 25.7 29.8 400 9.5 20.4 27.1 33.9 39.4 550 13.1 28.1 37.4 46.8 54.3 600 14.3 30.6 40.9 51.1 59.2 650 15.5 33.2 44.3 55.4 64.2 700 16.7 35.8 47.7 59.6 69.2 750 17.
4 Exploded View - GP7128 Pump.
5 GP7128 PARTS LIST ITEM PART DESCRIPTION QTY. 1 07600 Crankcase 1 2 13000 Oil Filler Plug Assembly 1 4 07601 Crankcase Cover 1 5 07602 Seal for Cover 1 8 07603 Oil Dip Stick 1 9 01009 O-Ring, Dip Sti.
GP7128 Repair Instructions NOTE: Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling. This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from cutting and scoring.
7 11. Take a thin screw driver and pry out the grooved ring (39A). Note: This seal (39A) will not be reusable, so replace with a new part. For the seal-pack (41-43A), remove with either a socket wrench or use a screw driver to push against the rear lip of the pressure ring (41) or v-sleeves (42).
8 CAUTION: Don't loosen the 3 plunger (36) before the valve casing has been removed otherwise the plunger (36) could hit against the spacer pipe (51F) when the pump is being turned. Seal life can be increased if the pretensioning allows for a little leakage.
9 PUMP SYSTEM MA LFUNCTIONS M A LFUNCTIO N CA USE REMEDY The Pr essure and/ or the Delivery Drops W orn packing seals Replace packing seals Broken valve springs Replace springs Belt slippage Tighten o.
10 Preventative Maintenance Check-List & Recommended Spare Parts List Check Daily W eekly 50hrs Every Every Every 500 hrs 1500 hrs 3000 hrs Oil Level/Quality X Oil Leaks X W ater Leaks X Belts, Pu.
11 GP7128 Dimensions - Inches (mm).
GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects in workmanship and material as follows: 1. For portable pressure washers and self-service car wash applications, the discharge manifolds will never fail, period.
An important point after buying a device Giant GP7128 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Giant GP7128 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Giant GP7128 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Giant GP7128 you will learn all the available features of the product, as well as information on its operation. The information that you get Giant GP7128 will certainly help you make a decision on the purchase.
If you already are a holder of Giant GP7128, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Giant GP7128.
However, one of the most important roles played by the user manual is to help in solving problems with Giant GP7128. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Giant GP7128 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
