Jenny Reciprocating Air Compressors Operation And Maintenance Manual

Text of Jenny Reciprocating Air Compressors User Guide:

• Jenny Reciprocating Air Compressors, 3 Thank you ! For ordering a JENNY®. Jenny has been a manufacturer of high quality equipment since 1929. Special attention has been given to every detail of engineering design, perfection of manufacturing methods, individual part inspection, and thorough testing upon completion to assure the continuous trouble-free operation of your Jenny. In short, your Jenny was designed and made by customer-minded workers. If you, for any reason, fail to f nd that our product serves as you believe it should, you will be doing yourself and us a favor by telling our Customer Representative, through our Distributor - or direct,

• Jenny Reciprocating Air Compressors, 39 2. Turn screw “A” clockwise to increase cut-out pressure limit or counter clockwise to decrease cut- out pressure. (example: if the cut-out pressure on the tank gauge reads 120 psi. and desired cut out is 130 psi, turn screw “A” clockwise) 3. Drain air from tanks through drain valves until pump begins to charge tanks. 4. Close drain valves. 5. Monitor cut-out pressure to verify the new setting 6. Once setting is complete hold screw “A” f rmly 7. Hold “C” f rmly and tighten nut “B” PILOT VALVE PRESSURE DIFFERENTIAL ADJUSTMENT Unit can remain running while performing this adjustment. Aftercooler, pump head, and surrounding parts are very hot; do not touch. Moving Parts

• 30 TRANSPORTING (Portable Compressors) If the unit is a portable type either hand carry or wheeled portable, care must be taken when transporting the compressor. When transporting the compressor in a vehicle, trailer, etc. ensure that the tanks are drained and the unit is secured and placed on a f at horizontal surface. Secure the machine in place by use of a rope or some type of strapping.

• Jenny Reciprocating Air Compressors, 17 valve directs the f ow into the air system or to the atmosphere. Start-Stop Control Units As with constant run units, the air intake is controlled by air pressure demand. Instead of being controlled by a pilot valve, Start-Stop units are controllled by an electrical switching device, called a pressure switch. When the system reaches a designated pressure, or maximum pressure set point, the pressure switch de-energizes the electric motor. As air is consumed and the system pressure falls below another designated pressure, or minimum pressure set point

• Jenny Reciprocating Air Compressors, 20 PREPARATION FOR USE GENERAL The Jenny Air Compressor unit was thoroughly tested at our factory as part of the manufacturing process. The machine will function as designed if properly assembled, set up, and operated. There are certain steps that must be taken prior to attempting to operate unit to assure it is ready for operation. INSPECTION OF NEW EQUIPMENT 1.) Check the box or crate for possible shipping damage. If extensive damage is apparent to the box, please notify the freight carrier immediately. Do not open the box. Wait for the freight carrier’s inspector to be present before opening.

• Jenny Reciprocating Air Compressors, 8 10. Never modify or alter this unit. For your own safety as well as others, never allow this unit to be altered or modif ed. Modifying or altering equipment to operate in a fashion other than its original design may cause serious injury or death. Never exceed the factory pressure or temperature rating of the system. Be sure that all accessory equipment and system components meets or exceeds the pressures and temperatures developed by the unit. 11. Do not operate unit with damaged or worn hoses, f ttings, clamps, or spuds. Always check the connection hose, control hoses, f ttings, clamps, and spuds prior to operation. Replace all damaged or

• Jenny Reciprocating Air Compressors, 6 Do not replace a fuse or circuit breaker with one of a higher rating without being certain the wire size is adequate to handle the increased electrical load. Keep all electrical connections dry and off of the ground. Observe all local and national codes for the installation and use of this type of equipment. Please use the following criteria for wire selection. • 0 to 25 Feet from Main Power Source - At least the same size wire. • 25 to 50 Feet from Main Power Source - At least one wire size larger. • 50 to 100 Feet from Main Power Source - At least two wire sizes larger. • 100 to 150 Feet from Main Power Source - At least three wire sizes

• Jenny Reciprocating Air Compressors, 9 15. Do not operate near f ammable or combustible materials. This product is not intended for use in locations where f re or explosion hazards may exist due to the presence of f ammable vapors, liquids or gases, or combustible dusts or f bers. Heat generated by the compression cycle and/or drive system is released into the atmosphere and can cause materials in close proximity to reach their f ash temperatures and ignite or explode. Always operate the compressor in a well ventilated area. Always store f ammable or combustible materials in a secure location away from all open f ames, sparks, and heat sources. 16. Do not remove any air line or receiver connections before relievin

• Jenny Reciprocating Air Compressors, 16 or gasoline engine V-belt drive sheave assembly. The pumping unit is either a Single Stage or Two Stage Reciprocating Pump. SINGLE STAGE AND TWO STAGE RECIPROCATING PUMPS Reciprocating (Piston) Compressors can be widely found in these two primary conf gurations; Single Stage and Two Stage. Single stage air compressors work by drawing free air in and subsequently compressing the air to its f nal pressure in a single piston stroke. Single stage air compressors can attain pressures of up to 150 PSI. Typically, a single st

• 27 AIR CLEANER The air cleaner is of the dry, replaceable type. One of the most important service requirements for long term maintenance free operation is to replace or clean the air cleaner element regularly. Excessive wear, high oil consumption and poor performance will result if the air cleaner is clogged or allows contamination to enter the compressor. R

• Jenny Reciprocating Air Compressors, 26 can be switched from either operating mode by opening and closing a ball valve. The pilot valve is used to control the compressor when operating in the constant run and the pressure switch is used to control the compressor when operating in the stop/start mode. A good rule of thumb in determining which is the best mode of operation is by the amount of time the compressor will be required to supply air. If the demand for air is infrequent, then the unit should be set up for stop/start operation to minimize unnecessary run time and operational wear and tear and to save energy. If there is a frequent or extended demand

• Jenny Reciprocating Air Compressors, 52 Problem Possible Cause Possible Solution Fittings not tight enough or leaking. Warning drain air before tightening: tighten f ttings where air can not be heard escaping. Check joint with soap solution. Do not overtighten. Defective or rusted air tank Air tank must be replaced. Do not attempt to repair air tank Water in oil due to condensation. Drain oil. Ref ll to proper level with Jenny Ultimate Blue Synthetic Oil. Unit located in damp or humid location. Relocate unit. Oil in discharge air (oil pumping) Lubricant viscosity t

• Jenny Reciprocating Air Compressors, 28 Never decouple the quick coupler when the machine is running. Always release the pressure in the system before coupling or decoupling. DRAINING AIR RECEIVER CONDENSATE 1. Ensure that the ON/OFF switch is in the OFF position or disconnect the power from the power source. 2. If the unit is portable, move the compressor into an inclined position so that the drain valve(s) are at the lowest point (this will assist in removing moisture, dirt, etc. from tanks) 3. Place a suitable container underneath the drain(s) to catch all of the discharge condensate. 4. Grasp black lever or the knurled drain cock

• Jenny Reciprocating Air Compressors, 25 OPERATING INSTRUCTIONS This section describes the operating controls and indicators, detail theory of operation, and operating procedures. OPERATING CONTROLS AND INDICATORS Jenny compressors are designed to be highly reliable and very simple to operate. Therefore, there are only a few operating control and indicators. They are as follows: On/Off Switch (SW-3, SW-4, Start/Stop Control & Dual Control)- A switch which allows the operator to manually turn the machine on and off. The switch is located either on the motor, as in the case of the SW-3 and SW-4, or a rotatable lever on the pressure switch for Dual Control and Start/Stop

• Jenny Reciprocating Air Compressors, 35 switch from either the MAN or AUTO position to the OFF position. If the unit is equipped with an On/ Off switch move the switch to the OFF position. Stopping Gasoline Engine (If so equipped) - If so equipped, your air compressor is powered by a gasoline engine. Most accidents with engines can be prevented if you follow all instructions in this manual, the engine owner’s manual and on the engine. Follow the instructions in the owners manual for the proper stopping procedure. A. Turn the engine switch to the OFF position B. Close the fuel shutoff valve. 2.) If machine is

• Jenny Reciprocating Air Compressors, 22 This unit requires adequate ventilation and must be placed in a location which provides at least three feet of clearance to all adjacent construction. Failure to allow adequate ventilation or restrict the air f ow may cause the machine to overheat. Damage to the machine, operator, and any other unit, product, and accessory in the air stream may result. Compressors run out of level by over 10 degrees may be permanently damaged. Do not locate near f ammable or combustible liquids or operate in

• 15 INTRODUCTION This manual contains operation and service instructions for the Jenny Air Compressors. Brief Compressor Nomenclature: K15A-8P Pump Type HorsePower Pressure Tank Tank Letters F 13 - 1/3 HP Electric A - 125 PSI 2 - 2 Gallon P - Portable K 12 - 1/2 HP Electric B - 175 PSI 4 - 4 Gallon H - Horizontal G 34 - 3/4 HP Electric C - 100

• Jenny Reciprocating Air Compressors, 33 Do not operate this unit with any components rated less than the maximum operating pressure of the unit. 9.) If machine is electric powered, connect electrical service using a fusible disconnect switch. Ensure that the machine is connected to the proper power supply both amperage and voltage. Ensure that all connections are properly tightened. Improper connections could result, causing damage, injury, or death of the equipment operator. This machine must be connected in accordance with the National Electric Code (NEC) Article 422-4 - Ed-31, Except as provided for in NEC 90-4. This machine must be properly grounded to avoid fatal electrical sh

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