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General Operation and
Parts Instructions for
Gasoline Compressor
Outfits
MODEL NO.
DACE-7161-2
ENGINE HORSE POWER 11HP
COMPRESSOR BORE 1.96/4.3
COMPRESSOR STROKE 2.17
AIR TANK CAPACITY 30 GAL.
APPROXIMATE UNLOADER PRESSURE 175 PSIG
SCFM @ 100 psig 12.5
SCFM @ 175 Psig 12.0
• This product is not equipped with a spark arresting muffler. If the product will be used around
flammable materials, or on land covered with materials such as agricultural crops, forest, brush, grass, or other simila
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TABLE OF CONTENTS Page No. SAFETY PRECAUTIONS ................................................................................... 3-5 GENERAL INFORMATION.................................................................................... 6 COMPRESSOR DIAGRAM ................................................................................... 7 DESCRIPTION OF OPERATION ......................................................................... 6 INSTALLATION .......................................
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SAFETY GUIDELINES - DEFINITIONS This manual contains information that is important for you to know and understand. This information relates to protect- ing YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols to the right. Please read the manual and pay attention to these sections. CAUTION indicates a potentially hazardous situation DANGER indicates an imminently hazardous situation which, if not avoided, may result in minor or moder- which, i
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HAZARD WHAT CAN HAPPEN HOW TO PREVENT IT RISK OF BURSTING AIR TANK (cont’d) 3. UNAUTHORIZED MODIFICATIONS TO THE TANK IS DESIGNED TO WITHSTAND THE UNLOADER VALVE, SAFETY SPECIFIC OPERATING PRESSURES. VALVE, OR ANY OTHER COMPONENTS NEVER MAKE ADJUSTMENTS OR PARTS WHICH CONTROL TANK PRESSURE. SUBSTITUTIONS TO ALTER THE FAC- TORY SET OPERATING PRESSURES. 4. EXCESSIVE VIBRATION CAN WEAKEN DO NOT REMOVE THE STIFFENER BAR THE AIR TANK AND CAUSE RUPTURE OR CONNECTING THE COMPRESSOR PUMP EXPLOSION. EXC
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HAZARD WHAT CAN HAPPEN HOW TO PREVENT IT ALWAYS DISCONNECT THE SPARK THE ENGINE CAN START ACCIDENTALLY RISK FROM PLUG AND BLEED PRESSURE FROM IF THE FLYWHEEL IS TURNED BY HAND OR MOVING PARTS THE TANK BEFORE PERFORMING MOVED BY PULLING ON THE STARTER MAINTENANCE. ROPE. MOVING PARTS SUCH AS THE PULLEY, NEVER OPERATE THE COMPRESSOR FLYWHEEL AND BELT CAN CAUSE WITH GUARDS OR COVERS WHICH ARE SERIOUS INJURY IF THEY COME INTO DAMAGED OR REMOVED. CONTACT WITH YOU OR YOUR CLOTHING. ATTEMPTING TO OP
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GENERAL INFORMATION You have purchased a complete compressor outfit con- applications. Refer to Figure 1 for a photograph of sisting of an air compressor, ASME approved air tank, the compressor and to identify the major components gasoline engine, and associated controls and instru- of the compressor. ments. The compressor outfit you have selected is a two stage stationary outfit. A regularly scheduled program of preventive mainte- nance is necessary to insure the long life that has bee
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Pump Air Intake Filter Engine Oil Belt Dipstick Gas Guard Fuel Engine Two-Stage Tank Pump Engine Air Filter Pump Oil Engine Oil Fill Plug Drain (Not Shown) Throttle Control Pump Oil Unloader Sight Glass Pump Oil Safety Drain Plug Valve Pressure Air Outlet For Gauge Discharge Valve Drain Valve (Not Shown) Figure 1 - Typical Gasoline Compressor Outfit PAGE 7
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INSTALLATION PRE-INSTALLATION INSPECTION 2. Insert the vibration mounts in the mounting holes. Place a flat washer under the mounting surface and secure each mount with a lockwasher and NOTE nut. See Figure 3. Each air compressor outfit is care- fully checked before shipment. With improper handling, damage may result in transit and cause problems in compressor operation; a bent crankshaft, etc. Immediately on equipment arrival, check for both con- cealed and visible damages to avoid expense
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NOTE Pipe thread sealant must be used on all threads, and Where a remote air intake is used, enlarge all joints are to be made up tight, since small leaks in the side of the air intake piping by one pipe the piping system are the largest single cause of high size for each 10 feet of length. operating costs. All piping should be sloped to an accessible drain Stationary outfits must be bolted or lagged to the floor point and all outlets should be taken from the top of to prevent movement. When
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Figure 4. Typical Compressed Air Distribution System PAGE 10
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OPERATION The unloader valve, Figure 6, is controlled by tank pres- Operator Controls sure. Compressors with unloaders run continuously and maintain air pressure within set limits. At maxi- The unloader valve for the operation of the gasoline mum tank pressure the unloader valve opens and the compressor outfit is located between the compressor compressed air is exhausted to atmosphere. This pump and gasoline engine. The air discharge valve prevents the compressor from continually building more
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The unloader then reactivates the throttle control and accelerates the engine to full throttle. Over-pressurization of the air tank ADDITIONAL REGULATORS AND may cause tank rupture or explosion. CONTROLS The air tank is protected from over- pressurization by a safety valve. Do not eliminate, make adjustments or Since the air tank pressure is usually greater than substitutions to this device. Occasion- that which is needed, a separate regulator is usually ally pull the ring on the safety valve em
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3. Periodically check the compressor outfit during 4. Check the engine fuel tank level. Add fuel if the first few days of operation to make sure necessary. the compressor outfit is running smoothly and all controls are operating properly. Before starting the compressor outfit, check the following: NOTE After the compressor has been in 5. Close the air discharge valve. operation for 2 to 3 hours, tighten the compressor head bolts. 6. Set the toggle lever of the unloader valve in the verti
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c. Check for excessive vibration and noise. 2. Turn the engine lever or key switch to the OFF Correct any defects found. position. d. Check for oil leaks. Correct any leaks 3. Close the air discharge valve. found. 4. Remove air tool or accessory. 5. Open outlet valve or regulator to allow air to SHUT DOWN PROCEDURES slowly bleed from the tank. Close the outlet valve or regulator when the tank pressure is To stop the engine in an emergency, turn the engine approximately 20 psig
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WEEKLY CLEANING THE AIR COMPRESSOR OUTFIT 1. Clean and inspect the compressor air intake filter; replace if necessary. The external components of the compressor outfit should be cleaned at least once a week. The air com- 2. Inspect condition of drive belt; replace if pressor crankcase and head are designed with fins necessary. which allow for proper cooling. Clean or blow off fins and any other parts of the outfit that collect dirt or 3. Clean outside parts of the compressor a
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Open the drain valve. Continue operating outfit until CHECKING AND CHANGING AIR all moisture is removed from the tank. Close the drain INTAKE FILTER valve tightly. NOTE NOTE Keep the air filter clean at all times. Do not operate compressor outfit when If the draincock is clogged, release the filters are removed. the air pressure in the tank. Remove the drain valve and clean or replace. Apply sealant to the threads before The condition of the air intake filter should be checked reinstalling
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4. Hold the belt tension until the engine mount- ing hardware can be tightened. 5. Ensure that the belts are centered on the engine pulley and compressor flywheel. NOTE Once the engine has been moved from its factory set location the engine pulley must align to within 1/16 inch to the compressor flywheel. 6. Torque engine mounting bolts to 20 +3 foot pounds. 7. Reinstall the belt guard. 8. Connect the spark plug wire. Figure 8. Checking Belt Tension On compressors equipped with st
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6. Reinstall the drive belt. Make sure the belt REPLACING DRIVE BELT (cont’d) is centered on the engine pulley and flywheel. 5. Slide the engine back into its original position 7. Slide the engine back into its original position and adjust the belt tension, Figure 8. and adjust the belt tension, Figure 8. For compressors equipped with standard V-belts, For compressors equipped with poly-V-belts, the the proper tension for each belt is approximately proper tension is approximat
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6. Reinstall the check valve. DO NOT OVER- TIGHTEN. Many solvents are highly flammable and a health hazard if inhaled. Always observe the solvent manufacturers SERVICING INTAKE AND EXHAUST VALVES safety instructions and warning. e. Clean carbon deposits in head cavities and The intake and exhaust valves as well as the valve valves plates with lacquer thinner or plates and cylinder head will, over a period of time other suitable solvent. accumulate residue of carbon-like material on th
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TROUBLESHOOTING GUIDE Performing service checks or repairs may expose moving parts, or compressed air sources. Personal injuries may occur. Prior to attempting any service check or repairs, remove the spark plug wire and bleed off all air pressure. Never operate the outfit with the belt guard removed. Repairs should be preformed by an Authorized Service Center personnel only. TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Gasoline Engine will not run. The gasoline tank is empty. Fi
