Summary of the content on the page No. 1
Triplex Ceramic
Plunger Pump
Operating Instructions/
Manual
Models
GP5136-5100 & GP5145-5100
Contents:
Installation Instructions: page 2
Pump Specifications: pages 3-4
Kits/Torque Specs: page 5
Recommended Maintenance: page 5
Exploded View/Parts List: pages 6-7
Trouble Shooting: page 8
Repair Instructions: pages 9-10
Dimensions: page 11
Warranty Information back page
Summary of the content on the page No. 2
INSTALLATION INSTRUCTIONS Installation of the Giant Industries, Inc., Industries, Inc. to further reduce system pulsa- pump is not a complicated procedure, but tion. Dampeners can also reduce the severity there are some basic steps common to all of pressure spikes that occur in systems using a pumps. The following information is to be shut-off gun. A dampener must be positioned considered as a general outline for installa- downstream from the unloader. tion. If you have unique requirements,
Summary of the content on the page No. 3
Specifications Model GP5136-5100 Volume ............................................................................... 33.8 GPM ...................................... 127.8 LPM Discharge Pressure ..............................................................2320 PSI............................................160 Bar Crankshaft Speed .......................................................................................................................... 910 RPM Inlet Pressure ..................
Summary of the content on the page No. 4
Specifications Model GP5145-5100 Volume .................................................................................. 43.5 GPM .......................................... 164.6 LPM Discharge Pressure........................................................ 1450 PSI ............................................ 100 Bar Crankshaft Speed ......................................................................................................................... 750 RPM Inlet Pressure ................
Summary of the content on the page No. 5
GP5136-5100 and GP5145-5100 Pumps Repair Kits Plunger Packing Kits Valve Assembly Kits GP5136-5100 (p/n 09597) Inlet Valve Kit (p/n 09231-0100) Item Part # Description Qty. Item Part # Description Qty. 35A 07303 O-Ring 6 46A 12055 O-Ring 1 35B 13286 O-Ring 3 46C 13304-0100 Inlet Valve Assy. 1 36 13291-0020 Grooved Ring 3 46D 13306-0100 Valve Plate 1 37A 07910 O-Ring 6 46E 13307 Valve Spring 1 39 07142-0100 Pressure Ring 3 46F 13308 Spring Tension Cap 1 40 0714
Summary of the content on the page No. 6
Exploded View - GP5136-5100 and GP5145-5100 Pumps 6 55
Summary of the content on the page No. 7
GP5136-5100 and GP5145-5100 Pumps Spare PARTS LIST ITEMPART DESCRIPTION QTY. ITEMPART DESCRIPTION QTY. 1 13266 Crankcase 1 37A 07910 O-Ring (GP5136-5100 Only) 6 2 13000 Oil Filler Plug Assembly 1 39 07142-0100 Pressure Ring (GP5136-5100) 3 3 07841-0100 Oil Sight Glass Assy. 1 39 13292 Pressure Ring (GP5145-5100) 3 4 13267 Crankcase Cover 1 40 07144 V-Sleeve (GP5136-5100) 6 5 13268 O-Ring 1 40 13294 Sleeve (GP5145-5100) 6 8 07105 Oil Dip Stick 1 40A 06146 Grooved Ring 9 01009 O-Ring, Dip Stick 1
Summary of the content on the page No. 8
PUMP SYSTEM TROUBLESHOOTING CHART MALFUNCTION CAUSE REMEDY Worn packing seals Replace packing seals Broken valve springs Replace springs Belt slippage Tighten or replace belt Worn or Damaged nozzle Replace nozzle The Pressure and/ Fouled discharge valve Clean valve assembly or the delivery Drops Worn or plugged relief valve on pump Clean, Reset, and Replace worn parts Check inlet lines of pump for restrictions Cavitation or leakage Unloader Check for proper operation High Humidity Redu
Summary of the content on the page No. 9
Repair Instructions - GP5136-5100 and GP5145-5100 Pumps Note: Always take time to lubricate all metal and nonmetal parts with a light film of oil before reassembly. This step will ensure proper fit, at the same time protecting the pump's nonmetal parts (i.e., the elastomers) from cutting and scoring. To Check Valves 1. Screw-out inner hexagon screws (48A) with an allen wrench. Remove discharge plugs (48) with a screw driver. Check o-rings (48B) on discharge plugs and replace as necessary. 2.
Summary of the content on the page No. 10
Repair Instructions - GP5136-5100 and GP5145-5100 Pumps To Disassemble Gear End 1. Loosen inner hexagon screws (49) for the valve casing (43) with an allen wrench. Carefully remove valve casing from the crankcase (1). 2. Drain oil from the crankcase (1) by removing drain plug (12) with a 3/4" wrench. 3. Loosen inner hexagon screws (10) for the crankcase cover (4) with an allen wrench and remove crankcase cover. 4. Loosen hexagon screws (17) for the bearing covers (14) with a wrench and remo
Summary of the content on the page No. 11
Pump Dimensions - GP5136-5100 and GP5145-5100 Pumps - Inches (mm) 11
Summary of the content on the page No. 12
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 car wash applications, the discharge manifolds will never fail, period. If they ever fail, we will replace them free of charge. Our other pump parts, used in portable pressure washers and in car wash applications, are warranted for five years from the date of shipment for all pumps use
