Instruction/ maintenance manual of the product LP122A Giant
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Models LP122A/LP122A-4000/LP123/LP255 Triplex Ceramic Plunger Pump Operating Instructions/ Repair and Service Manual Contents: Installation Instructions: page 2 Pump Specifications - LP122A/LP122A-400.
2 NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600 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.
3 Specifications Models LP122A/LP122A-4000/LP123 *Pump speeds of 640 RPM and above require a minimum inlet pressure of 12 psig. **Pump speeds of 805 RPM and above require a minimum inlet pressure of 14 psig. U.S. ..................................... (Metric) V olume (Continuous) .
4 Exploded View - LP122A/LP122A-4000/LP123/LP255.
5 ITEM PART NO. DESCRIPTION QTY. 1 07759 Crankcase 1 2 13000 Oil Filler Plug 1 4 06085 Crankcase Cover 1 5 07104 O-Ring 1 6 07186 Oil Sight Glass W/Gasket 1 8 06086 Oil Dipstick 1 9 01009 O-Ring 1 1 0.
6 Specifications Model LP255 U.S. ..................................... (Metric) V olume ................................................................. 26.0 GPM ............................ (98 l/min) Discharge Pressure ............................
7 PUMP SYSTEM MALFUNCTION MALFUNCTION CAUSE REMEDY The Pressure and/ Worn packing seals Replace packing seals or the Delivery Broken valve spring Replace spring Drops Belt slippage Tighten or Replace .
8 LP122A/LP122A-4000/LP123/LP255 - Repair Instructions 1 . With a 30mm wrench, re- move the six (6) plugs (48) from the valve cas- ing (43). Inspect the o- rings (48A) and replace if necessary. Remove the complete valve assembly (46A) by threading a 12mm bolt into the spring retainer and pulling straight out.
9 7. If previously disassembled thoroughly clean all exposed surfaces on the spacer (29E) and all exposed threads on the plunger bolt (29C) and the steel plunger base (25). Threads MUST be free of old loc-tite and any other material such as oil, grease, etc.
10 13. Replace plug with o-ring (48, & 48A) and tighten to 160 ft.-lbs. 12. Next, place valve assemblies (46A) into manifold after first lubricating the o-ring (44A).
11 LP122A/LP123/LP255 Dimensions (mm) LP122A-4000 Dimensions (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 LP122A (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 LP122A 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 LP122A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Giant LP122A you will learn all the available features of the product, as well as information on its operation. The information that you get Giant LP122A will certainly help you make a decision on the purchase.
If you already are a holder of Giant LP122A, 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 LP122A.
However, one of the most important roles played by the user manual is to help in solving problems with Giant LP122A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Giant LP122A 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
