Triplex Ceramic Plunger Pump Operating Instructions/ Repair and Service Manual Models P46W, P46W-HK & P46HT Updated 3/02 Contents: Installation Instructions: Pump Specifications: Kits/Torque Specs: Pump Mounting Selection Guide: Exploded View: Parts List: Trouble Shooting: Recommended Spare Parts List: Repair Instructions: Dimensions: Warranty Information: page 2 page 3-4 page 5 page 5 page 6 page 7 page 8 page 8 page 9-11 back page back page
INSTALLATION INSTRUCTIONS - P46W, P46W-HK, & P46HT 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. or your local distributor for assistance. 4. Use of a dampener is necessary to minimize pulsation at drive elements, plumbing, connections, and other system areas.
Specifications Model P46W/P46W-HK Volume ........................................................................................................ Up to 3.9 GPM Discharge Pressure .................................................................................... 2200 PSI Inlet Pressure .............................................................................................. -4.35 - 140 psi Maximum Crankshaft Rotation Speed ........................................................
Specifications Model P46HT Volume ........................................................................................................ Up to 123 GPH (2.1 PGM) Discharge Pressure .................................................................................... 900 PSI Inlet Pressure .............................................................................................. See NPSHR curve below Maximum Crankshaft Rotation Speed ........................................................
P46W, P46W-HK & P46HT REPAIR KITS Plunger Packing Kit, P46W #09038 Item Part # Description Qty. 31 07241 V-Sleeve 3 40 07234 O-Ring 3 Complete Plunger Packing Kit, P46W #09081 Item Part # Description Qty. 31 07241 V-Sleeve 3 40 07234 O-Ring 3 50 07239 Rear V-Sleeve 3 51 07240 Support Ring, Rear V-Sleeve 3 Plunger Packing Kit, P46W-HK, P46HT #09514 Item Part # Description Qty. 31A 11511 Sleeve 3 40 07234 O-Ring, Adapter 3 50 11512 High Temp.
Exploded View - P46W, P46W-HK, P46HT 6
P46W, P46W-HK & P46HT PARTS LIST ITEM PART DESCRIPTION 1 32 07231 Support Ring 3 Vent/Filler Plug with Seal 1 33 07232 Pressure Spring 3 07182 Gasket, Oil Filler Cap 1 34 07325 Retainer, Spring 3 08004 Cover, Crankcase 1 4 08005 O-Ring 1 34 06018-0100 Retainer, Spring (P46HT) 6 5 08008 Oil Dipstick 1 35 06017-0100 Valve Spring 6 6 01009 O-Ring 1 36 06016 Valve Plate 6 9 07188 Cylinder Screw with Slot 4 37 06014 Valve Seat 6 10 07223 Spring Washer 38
PUMP SYSTEM MALFUNCTION MALFUNCTION CAUSE REMEDY The Pressure and/ or the Delivery Drops Worn packing seals Broken valve spring Belt slippage Worn or Damaged nozzle Fouled discharge valve Fouled inlet strainer Worn or Damaged hose Worn or Plugged relief valve on pump Cavitation pump for restrictions Unloader Replace packing seals Replace spring Tighten or Replace belt Replace nozzle Clean valve assembly Clean strainer Repair/Replace hose Clean, Reset, and Replace worn parts Check suction lines on inlet
REPAIR INSTRUCTIONS - P46W, P46W-HK, P46HT 1. With a 22mm socket, remove the three discharge (43) and three inlet (41) manifold plugs. Check o-rings (42 & 44) for wear and replace as necessary. 4. Drain the oil from the pump. Turn the pump over to remove the two manifold stud nuts (46) with a 17mm wrench. 34 35 36 2. Remove the discharge spring retainer (34), valve spring (35), and valve plate (36). 5. Tap the back of the manifold (29) with a rubber mallet to dislodge, and slide off the pump.
REPAIR INSTRUCTIONS - P46W, P46W-HK, & P46HT 30 31/50 31A (P46W-HK & P46HT only) 32 38 49 33 8. The pressure rings (item 30) can now be removed by pulling straight out. Inspect and clean manifold (29) and pressure ring. Replace if necessary. From the front of the pump reinstall pressure rings into manifold (29) with grooved side towards front of manifold. Install new v-sleeves (31 or 50), with grooved sides towards front of pump.
REPAIR INSTRUCTIONS - P46W, P46W-HK, & P46HT Gear End Disassembly 14. Remove the crankcase cover bolts (9). Inspect the crancase cover O-ring (4) for wear. Replace if necessary. 15. Inspect the dip stick (5) vent hole for signs of clogging. Clean if necessary. 16. To remove the crankshaft (18), first remove the bearing cover plates (12) Remove the key (19). 17. Hold the pump rear assembly with a wooden fixture, or other suitable device, in order to secure it while removing the crankshaft (18).
P46W, P46W-HK & P46HT DIMENSIONS 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.