Including 610n60-(sae 2/11.5) and 610n60-(sae 3/11.5) pump ends (31 pages)
Summary of Contents for GORMAN-RUPP PUMPS PAH8A65-C9
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OM-07086-01 January 11, 2017 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PAH SERIESr PUMP MODEL PAH8A65-C9 GORMAN‐RUPP PUMPS www.grpumps.com 2017 Gorman‐Rupp Pumps Printed in U.S.A.
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Register your new Gorman‐Rupp pump online at www.grpumps.com Valid serial number and e‐mail address required. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below.
PAH SERIES OM-07086 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. HAZARD AND INSTRUCTION Read this manual carefully to learn how to safely DEFINITIONS install and operate your pump. Failure to do so could result in personal injury or damage to the The following are used to alert maintenance per...
PAH SERIES OM-07086 SAFETY ‐ SECTION A This information applies to Prime Aire the positive battery cable before per Series pumps. Refer to the manual ac forming any maintenance. Failure to do companying the engine or power so may result in serious personal injury. source before attempting to begin oper...
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OM-07086 PAH SERIES certain that the pump and all piping or fingers or tools, causing severe injury to hose connections are tight, properly personnel. supported and secure before operation. Make sure the pump is level. Lower jack stands and chock the wheels, if so Do not operate the pump against a equipped.
APPROX. APPROX. [ 2008,4 ] [ 3530,6 ] [MILLIMETERS] Figure 1. Pump Model PAH8A65-C9 PREINSTALLATION INSPECTION a. Inspect the pump for cracks, dents, damaged threads, and other obvious damage. The pump assembly was inspected and tested be b. Check for and tighten loose attaching hard...
OM-07086 PAH SERIES c. Carefully read all tags, decals, and markings POSITIONING PUMP on the pump assembly, and perform all duties indicated. Note that the pump shaft rotates in the required direction. Death or serious personal injury and damage to the pump or components can occur if proper lifting procedures are not observed.
PAH SERIES OM-07086 Connections to Pump including the bearings, shaft and/or bear ing housing may occur if the pump is oper Before tightening a connecting flange, align it ex ated for an extended period of time on an actly with the pump port. Never pull a pipe line into unlevel surface.
OM-07086 PAH SERIES If a strainer not furnished with the pump is installed If it is necessary to position inflow close to the suc by the pump user, make certain that the total area tion inlet, install a baffle between the inflow and the of the openings in the strainer is at least three or suction inlet at a distance 1‐1/2 times the diameter four times the cross section of the suction line, and...
PAH SERIES OM-07086 Figure 2. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES Siphoning If the application involves a high discharge head, gradually close the discharge Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a si throttling valve before stopping the pump.
OM-07086 PAH SERIES Float Switch Installation pipe is available, attach the float switch cable to the standpipe in the sump at the approxi mate desired liquid level. The Float Switch autostart system employs either a single or double float switch, where a bulb raises or lowers (floats) with the liquid level, thus activating b.
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PAH SERIES OM-07086 that the liquid in the priming chamber never fully Next, install a drain line between the pump drain freezes. and the wet well or sump. This line must remain submerged in the liquid below the pump down lev The second method involves configuring the el of the liquid level control device;...
OM-07086 PAH SERIES OPERATION - SECTION C OPERATION Make sure the pump is level. Lower the jack stands and chock the wheels, if so equipped. Review all SAFETY information in Section A. Follow the instructions on all tags, labels and decals attached to the pump.
OM-07086 PAH SERIES and system operating pressure. Do not operate Leakage below the recommended operating speed (if appli cable). Once the pump is fully primed, no leakage should be visible at pump mating surfaces, or at pump connections or fittings. Keep all line connections and fittings tight to maintain maximum pump effi...
OM-07086 PAH SERIES Strainer Check Should any of the safety features cause the engine to shut down, the cause must be determined and corrected before putting the unit back into service. Check the strainer regularly, and clean it as neces sary.
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OM-07086 PAH SERIES tenance and Repair). Bearing overheating can COLD WEATHER PRESERVATION also be caused by shaft misalignment and/or ex cessive vibration. If the pump will be idle for an extended period of When pumps are first started, the bearings may time in below freezing conditions, drain the pump seem to run at temperatures above normal.
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OM-07086 PAH SERIES TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. 5. Close the suction and discharge valves. 6. Vent the pump slowly and cau tiously. 7. Drain the pump. Before attempting to open or service the pump: 1.
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OM-07086 PAH SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Check strainer and clean if neces Strainer clogged. PUMP STOPS OR FAILS TO DELIVER sary. RATED FLOW OR Check and clean check valve. Discharge check valve clogged. PRESSURE (cont.) Suction intake not submerged at Check installation and correct proper level or sump too small.
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OM-07086 PAH SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY BEARINGS RUN Bearing temperature is high, but Check bearing temperature regu TOO HOT within limits. larly to monitor any increase. Low or incorrect lubricant. Check for proper type and level of lubricant. Suction and discharge lines not prop...
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OM-07086 PAH SERIES Preventive Maintenance Schedule Service Interval* Item Daily Weekly Monthly Semi‐ Annually Annually General Condition (Temperature, Unusual Noises or Vibrations, Cracks, Leaks, Loose Hardware, Etc.) Pump Performance (Gauges, Speed, Flow) Bearing Lubrication Seal Lubrication (And Packing Adjustment, If So Equipped) V‐Belts (If So Equipped) Air Release Valve Plunger Rod (If So Equipped) Front Impeller Clearance (Wear Plate)
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PAH SERIES PUMP MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL PAH8A65-C9 Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
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OM-07086 PA SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model PAH8A65-C9 PAGE E - 2 MAINTENANCE & REPAIR...
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OM-07086 PAH SERIES Pump Model PAH8A65-C9 PARTS LIST (From S/N 1621373 Up) ITEM PART PART NAME NUMBER PUMP END ASSEMBLY 46183-066 CATERPILLAR POWER UNIT 46143-193 PUMP MOUNTING KIT 48157-095 BATTERY SEE OPTIONS NOT SHOWN: G‐R DECAL GR-06 PRIME AIRE PLUS DECAL...
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OM-07086 PA SERIES ILLUSTRATION VENTURI SYSTEM TO PRIMING CHAMBER Figure 2. Power Unit Kit PAGE E - 4 MAINTENANCE & REPAIR...
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OM-07086 PAH SERIES PARTS LIST Power Unit Kit ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER CAT C9 ENGINE 29236-320 HEX HEAD CAP SCREW B1008 15991 LIFTING BAIL KIT 48274-808 LOCK WASHER J10 15991 CNTRL PANEL INSTALL KIT48122-544 FLAT WASHER K10 15991 BATTERY BOX ASSY...
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OM-07086 PA SERIES ILLUSTRATION Figure 3. Power Unit Kit (Cont'd) PAGE E - 6 MAINTENANCE & REPAIR...
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OM-07086 PAH SERIES PARTS LIST Power Unit Kit (Cont'd) ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER CAT C9 ENGINE 29236-320 HEX HEAD CAP SCREW B1008 15991 LIFTING BAIL KIT 48274-808 LOCK WASHER J10 15991 CNTRL PANEL INSTALL KIT48122-544 FLAT WASHER K10 15991 BATTERY BOX ASSY...
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OM-07086 PA SERIES ILLUSTRATION Figure 4. Pump End Assembly PAGE E - 8 MAINTENANCE & REPAIR...
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OM-07086 PAH SERIES Pump End Assembly PARTS LIST ITEM PART PART NAME NUMBER REPAIR ROTATING ASSEMBLY 44163-662 HEX NUT D12 17090 LOCK WASHER J12 17090 O‐RING 25152-387 STUD C1211 1706G PIPE PLUG P12 17090 PUMP CASING SEE NOTE BELOW PRIMING CHAMBER KIT 48275-008 G‐R DECAL 6 IN GR-06...
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OM-07086 PA SERIES ILLUSTRATION SEAL AREA DETAIL Figure 5. Repair Rotating Assembly PAGE E - 10 MAINTENANCE & REPAIR...
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OM-07086 PAH SERIES PARTS LIST Repair Rotating Assembly ITEM PART PART NAME NUMBER IMPELLER 38621-734 1718H SHIM SET 48261-033 3.25" MECH SEAL 25285-822 SHAFT SLEEVE 31163-022 1706H O‐RING 25154-150 ROLL PIN 21154-801 SEAL PLATE 38272-272 1718H SIGHT GAUGE S1471 ROLL PIN S2197 REDUCER PIPE BUSHING AP1202 15079...
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OM-07086 PA SERIES ILLUSTRATION Figure 6. Priming Chamber Kit PARTS LIST ITEM PART PART NAME NUMBER PRIMING HOPPER ASSEMBLY 46112-711 BALL VALVE 26631-114 CLOSE PIPE NIPPLE T08 17040 PIPE ELBOW R08 17040 REDUCER PIPE BUSHING AP1608 17040 GASKET 38687-053 19410 BAFFLE 31113-011 17040 STUD...
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OM-07086 PAH SERIES ILLUSTRATION Figure 7. Priming Chamber Assembly PARTS LIST ITEM PART PART NAME NUMBER PRIMING VALVE GASKET 38683-657 19410 PRIMING VALVE 26664-008 -ORIFICE BUTTON 26688-021 PRIMING CHAMBER 38343-020 17040 LOCK WASHER J08 17090 HEX HEAD CAP SCREW B0806 17090 STRAINER ASSEMBLY 46641-024 17040 INDICATES PARTS RECOMMENDED FOR STOCK...
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OM-07086 PA SERIES ILLUSTRATION Figure 8. Drive Assembly ITEM PART PART NAME NUMBER COUPLING KIT 48112-017 -BUSHING, 3020 x 2.50 24131-433 -COUPLING ASSEMBLY, 80 DURO 24391-109 -LOCK WASHER 21171-905 -SOCKET HEAD CAP SCREW BD0810 15990 -SOCKET HEAD CAP SCREW 22644-226 HEX HEAD CAP SCREW B0706 15991 HEX HEAD CAP SCREW...
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OM-07086 PAH SERIES PUMP AND SEAL DISASSEMBLY pump integrity are compromised by such practices. AND REASSEMBLY Review all SAFETY information in Section A. Follow the instructions on all tags, label and de cals attached to the pump. Before attempting to open or service the pump: This pump requires little service due to its rugged, 1.
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OM-07086 PAH SERIES charge check valve assembly and gasket (not authorized parts may result in damage to shown) from the pump casing (7). the equipment and/or injury to personnel and will invalidate the warranty. The flapper and cover O‐ring are the only service able parts of the check valve.
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OM-07086 PAH SERIES Remove and discard the pump casing O‐ring (4). Seal Removal (Figures 5 and 9) Draining Oil From Seal Cavity Remove the spring centering washer and seal spring. Slide the shaft sleeve (4) and rotating por (Figure 5) tion of the seal off the shaft as a unit.
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OM-07086 PAH SERIES Move the pump end to a clean, well equipped shop Clean the bearing housing, shaft and all compo area for further disassembly. nent parts (except the bearings) with a soft cloth soaked in cleaning solvent. Inspect the parts for wear or damage and replace as necessary.
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OM-07086 PAH SERIES end. Dress small nicks and burrs with a fine file or If heating the bearings is not practical, use a suit emery cloth. Replace the shaft if defective. ably sized sleeve and an arbor (or hydraulic) press to install the bearings on the shaft.
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OM-07086 PAH SERIES the retaining ring on the outboard bearing seats tate the flexible portion of the coupling until the tapped holes for the two setscrews align with those against the pedestal. Remove the lip seal sleeve. in the bushing, and install the setscrews. When installing the shaft and bearings into the bearing bore, push against the outer Make certain that the flexible portion of the...
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OM-07086 PAH SERIES Secure the drive flange (21, Figure 5) to the engine seat bore in the seal plate for dirt, nicks and burrs, bellhousing with the previously removed hardware and remove any that exist. The stationary seat bore (6, 7 and 8). must be completely clean before installing the seal.
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OM-07086 PAH SERIES and secure it to the bearing housing with the hard peller Removal and torque the impeller capscrew ware (14 and 15). to 250 ft. lbs. (34,6 m. kg.). Pump Casing Installation Press the stationary element and its O‐ring into the (Figure 4) seal plate until fully seated in the seal plate bore.
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OM-07086 PAH SERIES Priming Chamber Assembly And Installation LUBRICATION Seal Assembly (Figure 7) (Figure 5) Clean and inspect the components of the priming valve (1). Inspect the linkage and ensure the orifice Before starting the pump, remove the air vent (12) button (not shown) squarely engages the valve and fill the seal cavity with approximately 390 seat.
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For Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 Canada: 519-631-2870 International: +1-419-755-1352 GORMAN‐RUPP PUMPS...
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