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EQUIPMENT
Operation Manual AC988557
Loctite® Airmotors
Part Numbers
988526 (4-1/4” Airmotor)
988528 (6” Airmotor)
988545 (Pump Stop)
988552 (Low Level Micro Switch)
IT IS THE RESPONSIBILITY OF THE OWNER AND/OR OPERATOR TO PROPERLY USE AND MAINTAIN THIS
EQUIPMENT. CAREFULLY READ AND UNDERSTAND THE INSTRUCTIONS AND WARNINGS IN THIS MANUAL
BEFORE OPERATING THIS EQUIPMENT.
If the operator is not fluent in English, the instructions and warnings shall be read and discussed in the operator’s native
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NOTE: DO NOT OPERATE with air contaminated with materials not compatible with BUNA-N seals. SPECIFICATIONS CYLINDER EFFECTIVE OPERATING OPERATING MIN. ID. AIR INLET AIR CONS. @ 100 ITEM # DIAMETER PISTON PRESSURE TEMP. RANGE OF AIR PSIG (7 BAR) IN. (MM) AREA RANGE °F (°C) SUPPLY SCF/CYCLE IN² (CM²) PSIG (BAR) IN. (MM) (L(N)/CYCLE) 988528 6 (152) 28 (182) 30-100 (2-7) -30 +200 1/2 (12) 3/4” NPTF 1.6 (46) 988526 4-1/4 (108) 14 (92) 30-100 (2-14) (-34 +93) 1/2 (12) 1/2" NPTF 1.1 (32) MAX. STROK
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FOR STANDARD AIRMOTOR WITHOUT PUMP STOP SERVICE ASSEMBLIES & KITS To reduce down-time and take advantage of the modular design of the airmotor, Henkel recommends using the following Service Assemblies for repair of the airmotor. After removal, the faulty assembly can then be repaired using the corresponding Soft Parts Kit. 6. Power Valve Subassembly P/N AC244806 (6” Airmotor) 1. Pilot Bar Subassembly P/N 988747 P/N AC244808 (4-1/4” Airmotor) 7. Soft Parts Kit P/N 988751 for repair of Power Valve
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FOR AIRMOTORS WITH PUMP STOP SERVICE ASSEMBLIES & KITS To reduce down-time and take advantage of the modular design of the airmotor, Henkel recommends using the following Service Assemblies for repair of the airmotor. After removal, the faulty assembly can then be repaired using the corresponding Soft Parts Kit. 7. Stop Valve Repair Kit P/N AC 12.Cylinder Tube Soft Parts Kit 1. Pump Stop Subassembly 244091 Item 91 (includes items (Includes “O”-rings, piston seal, P/N 988545 57, 58, 59, 60, 61)
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FOR STANDARD AIRMOTOR Disconnect air line and relieve (vent) pressure when Airmotor sits idle for long periods of time and before servicing. ALWAYS check equipment for proper operation before each use, making sure safety devices are in place and operating properly. DO NOT alter or modify any part of the equipment as ALWAYS read and follow the fluid and solvent manufacturer’s this may cause a malfunction and result in serious bodily injury. recommendations regarding the use of protective clothing
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FOR AIRMOTOR WITH PUMP STOP NOTE: Whenever flammable materials are pumped, ground Airmotor accord- ing to Local Codes. OPERATING PRECAUTIONS ® Use Loctite replacement parts to assure compatible pressure rating. Heed ALL warnings. DO NOT OPERATE Airmotor in excess of ATTACHING AIRMOTOR TO recommended pressure range. PUMPTUBE 1. Tightly attach the tie rods(ltem 41) to Disconnect air line and relieve (vent) BEFORE CONNECTING AIR- the Airmotor lower casting. Use short pressure when Airmotor sits idl
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Labyrinth Sub-Assembly Cylinder Tube and Muffler 1. Remove Pump Stop Subassembly (See Disassembly Procedure: previous instructions). 1. Use 9/64" Allen wrench to remove four 2. Remove two Screws (Item 30) with screws (item 80) from the face of the 3/16” hex wrench and remove Muffler labyrinth sub-assembly to remove it Assembly. from the Pump Stop assembly. 3. Remove Gasket (Items 28). 2. Remove screw (item 88) using a #1 4. Remove four Nuts (Item 26) with open Phillips screwdriver to remove the
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STANDARD AIRMOTOR WITHOUT PUMP STOP 30 29 Model Torque to 28 988526 11 Ft. Lbs. 988528 26 Ft. Lbs. 45 43 Page Number - 8
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AIRMOTOR WITHOUT PUMP STOP Page Number - 9
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STANDARD AIRMOTOR WITH PUMP STOP Model Torque to 988526 11 Ft. Lbs. 988528 26 Ft. Lbs. 30 29 28 45 43 * 4-1/4" Airmotor only NOTE: Refer to page 4 for service assembly & kits Page Number - 10
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39 17 49 54 40 92 65 35 55 64 62 52 56 63 20 51 31 50 23 35 67 49 32 66 60 59 58 57 61 48 53 24 73 75 76 77 78 82 83 85 87 80 74 Note: Single hole on Item 76 should align with single hole 79 on Item 75. 81 84 Item 67 Detail 86 Assembly 88 Page Number - 11
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Note holes at 9 & 6 o'clock positions 40 56 40 54 Molded pin on pump sleeve. Position to about 7 O'Clock position as shown. Page Number - 12
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AIRMOTOR WITH PUMP STOP Page Number - 13
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PARTS LIST - AIRMOTOR WITHOUT PUMP STOP Item Description Qty. Part No. 988528 Part No. 988526 No. (6” Dia.) (4-1/4” Dia.) 1 U-Cup (Buna-N) 1 (Note #1) (Note #2) 2 Rod Bearing 1 AC241732 AC241733 3 Seal, Cylinder (Buna-N) 2 (Note #1) (Note #2) 4 O-ring (Buna-N) 2 (Note #1) (Note #2) 5 Piston Rod Assembly 1 AC241741 AC241742 6 Cylinder Tube 1 AC241745 AC241746 7 Air Tube 1 AC241748 AC241749 8 Upper Casting 1 AC241751 AC241752 9 Bumper, Valve 2 (Note #4) (Note #4) 10 Cap, Valve 1 AC241755 AC241755
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PARTS LIST FOR AIRMOTORS WITH PUMP STOP Part No. Part No. Part No. Part No. Item Item Qty Description Qty. 988528 988526 Description 988528 988526 No. No. . (6" Dia.) (4¼" Dia) (6" Dia.) (4¼" Dia) 1 U-Cup (Buna-N) 1 (Note #1) (Note #2) 35 O-ring (Buna-N) 2 (Note #4) (Note #4) 2 Rod Bearing 1 AC241732 AC241733 36 Adapter 1 ------ AC241789 3 Seal, Cylinder (Buna-N) 2 (Note #1) (Note #2) 37 Screw (¼-20 x 2¼") 4 AC244975 AC244975 4 O-ring (Buna-N) 2 (Note #1) (Note #2) 38 Coupler
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FOR AIRMOTORS WITH PUMP STOP PARTS LIST (CONTINUED FROM THE PREVIOUS PAGE) Part No. Part No. Item No. Description Qty. 988528 988526 (6" Dia.) (4-1/4" Dia) 73 8-32 Soc. Hd. Cap Screw 6 AC273385 AC273385 74 Gasket (Nitrile/Fiber) 1 AC273386 AC273386 75 Intermediate Base 1 AC273387 AC273387 76 Gasket (Nitrile/Fiber) 1 AC273379 AC273379 77 Laminated Labyrinth 1 AC273396 AC273396 78 Labyrinth Cover 1 AC273389 AC273389 79 O-Ring (Nitrile) 7 AC34499 AC34499 80 8-32 x 1 Soc. Hd. Cap Screw 4 AC
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pump by counting the number of strokes Setting the Pump Stop Trip the pump makes per minute. Speed 4. After determining the normal operating speed of the pump and air motor, consult the Setting legend on the face of the Labyrinth cover (item 78), and find the speed range that is closest to the normal operating speed of the air Illustration 2 motor. fluid levels, broken hose or fitting connec- 5. To allow for normal fluctuation in the tions before restarting. If a cause cannot operating speed of
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PROBLEM POSSIBLE CAUSE SOLUTION Airmotor is not operating, air is Inadequate air supply to airmotor. Check air supply and adjust to minimum coming from exhaust. recommended level. Check air supply hose and piping for minimum recommended size. Ensure that FRL and quick disconnect couplings meet or exceed the minimum specified sizes and do not restrict airflow to the airmotor. Erratic or accelerated operation Dirty or damaged Relay Valve (Item 17) Check valves and clean if necessary. with sh
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P/N 988552 LOW LEVEL MICROSWITCH KIT INSTALLATION INSTRUCTIONS 1) Remove Trip Indicator Plug from Pump Stop Install the Switch Bracket (in position shown) on Pump Stop and secure by reinstalling Trip Indicator Plug. 2) Using the two mounting screws, washers and nuts, assemble the 69360 Limit Switch (in up position as shown) to Switch Bracket loosely. 3) Adjust Limit Switch to provide a .050" clearance between Limit Switch Plunger and Trip Indicator Pin (with pin in “Run” position). Tighten mount
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WARRANTY Henkel expressly warrants that all products referred to in this Instruction Manual for (Item 988526 Air Motor, 988528 Air Motor, 988545 Pump Stop, 988552 Low Level Micro Switch ) (hereafter called “Products”) shall be free from defects in materials and workmanship. Liability for Henkel shall be limited, as its option, to replacing those Products which are shown to be defective in either materials or workmanship or to credit the purchaser the amount of the purchase price thereof (plus fr
