Page 1
OPERATION AND PARTS MANUAL MODEL GA4.5R/GA4.5RA PORTABLE AC GENERATOR (ROBIN GASOLINE ENGINE) Revision #1 (11/27/06) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
Page 2
PAGE 2 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
Choose from three easy options: Order via Internet (Dealers Only) Best Deal! If you have an MQ Account, to obtain a Order parts on-line using Multiquip’s SmartEquip website! Username and Password, E-mail us at: ■ View Parts Diagrams parts@multiquip.com. ■ Order Parts To obtain an MQ Account, contact your ■...
GA-4.5R/GA-4.5RA — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS Potential hazards associated with the operation of this Safety precautions should be followed equipment will be referenced with " Hazard Symbols " which at all times when operating this equipment.
Page 7
GA-4.5R/GA-4.5RA — SAFETY MESSAGE ALERT SYMBOLS WARNING - ROTATING PARTS CAUTION - RESPIRATORY HAZARDS NEVER operate equipment with covers, ALWAYS wear approved respiratory or guards removed. Keep fingers , hands , protection. hair and clothing away from all moving parts to prevent injury. CAUTION - ACCIDENTAL STARTING CAUTION - SIGHT AND HEARING HAZARDS ALWAYS place the Engine ON/OFF...
■ NEVER use accessories or attachments, which are not warranties. recommended by Multiquip for this equipment. Damage to the equipment and/or injury to user may result. PAGE 8 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
GA-4.5R/GA-4.5RA — RULES FOR SAFE OPERATION ■ ALWAYS be sure the operator is familiar with proper safety Maintenance Safety precautions and operation techniques before using generator. ■ NEVER lubricate components or attempt service on a running ■ NEVER leave the generator unattended, turn off engine when machine.
GA-4.5R/GA-4.5RA — RULES FOR SAFE OPERATION Emergencies DANGER DANGER DANGER ELECTROCUTION HAZARDS ELECTROCUTION HAZARDS ELECTROCUTION HAZARDS DANGER DANGER ELECTROCUTION HAZARDS ELECTROCUTION HAZARDS ■ ALWAYS know the location of the nearest fire extinguisher . During operation of this generation, there exists the possibility of electrocution , electrical shock or burn , which can ■...
This portable generator is supplied with a electrical control In keeping with Multiquip's panel . The control panel includes items as listed below. policy...
GA-4.5R/GA-4.5RA — LOAD APPLICATION To determine the running wattage for your load, multiply Single Phase Load the running wattage as indicated by steps 1, 2, and 3 below: Always be sure to check the nameplate on the generator INCANDESCENT LOADS and equipment to insure the wattage, amperage and Lights, heaters and similar appliances.
GA-4.5R/GA-4.5RA — CONTROLS AND INDICATORS Figure 2A. Generator Controls and Components Lifting Bail Eye – Attach a rope or chain to this lifting eye GFCI Duplex Receptacle – NEMA 5-20R receptacle will when lifting of the generator is required. Never stand provide 120V, 20 amps.
Page 16
GA-4.5R/GA-4.5RA — CONTROLS AND INDICATORS Figure 2B. Generator Controls and Components (continued) 11. Full Power Switch – The generators are provided with a When the switch is in the 240 volt (down) position, you can full power switch. Figures 2C and 2D show simplified wiring acess half of the rated power of the generating set at 120 diagrams of the dual voltage system.
Page 17
GA-4.5R/GA-4.5RA — CONTROLS AND INDICATORS Figure 2E. Generator Controls and Components (continued) 12. Choke Lever – Used for starting the engine. Close the 19. Oil Dipstick/ Filler Cap– Remove the filler cap dipstick choke lever when starting a cold engine or in cold weather when checking the engine oil level.
GA-4.5R/GA-4.5RA — GENERATOR REFUELING DANGER - REFUELING HAZARD Adding fuel to the tank should be done only when the engine is stopped and has had an opportunity to cool down. In the event of a fuel spill, DO NOT attempt to start the engine until the fuel residue has been completely wiped up, and the area surrounding the engine is dry.
GA-4.5R/GA-4.5RA — INSTALLATION Outdoor Installation Indoor Installation Install the generator in a area that is free of debris , Exhaust gases from gasoline engines are extremely bystanders , and overhead obstructions . Make sure the poisonous. Whenever an engine is installed indoors the generator is on secure level ground so that it cannot slide exhaust fumes must be vented to the outside.
GA-4.5R/GA-4.5RA — INSTALLATION Connecting the Ground The nut and ground terminal on the generator should always be used to connect the generator to a suitable ground. The ground cable should be #8 size wire minimum. At the generator, connect the terminal of the ground cable between the lock washer and the nut (Figure 4) and tighten the nut fully.
GA-4.5R/GA-4.5RA — PRE-INSPECTION General Inspection Prior to Operation Extension Cable Ground Power Tools When electric power is to be provided to various tools or loads at some distance from the generator, extension cords are normally When using power tools or electrical equipment requireing AC used.
GA-4.5R/GA-4.5RA — PRE-INSPECTION (ENGINE) CAUTION CAUTION CAUTION CAUTION CAUTION NEVER operate the generator in a confined area or enclosed area structure that does not provide ample free flow of air . Figure 7. Engine Oil Dipstick (Oil Level) ALWAYS wear approved eye and hearing protection before operating the generator.
GA-4.5R/GA-4.5RA — INITIAL START-UP (ENGINE) 2. Place the choke lever (Figure 11) in the " CLOSED " position CAUTION - READ MANUAL if starting a cold engine. DO NOT attempt to operate this generator until the Safety, General Information and Inspection sections of this manual have been read and thoroughly understood .
GA-4.5R/GA-4.5RA — INITIAL START-UP ENGINE/OPERATION 6. If the engine has started, slowly return the choke lever (Figure 11 ) to the “OPEN” position. If the engine has not started repeat steps 1 through 6. 7. Before the generator is placed into operation, run the engine for 3-5 minutes.
Page 25
GA-4.5R/GA-4.5RA — INITIAL START-UP ENGINE/OPERATION 3. Place the main circuit breaker (Figure 21) in the ON 13. Refer to the AC voltmeter (Figure 19) on the control position. box. The voltage indicated on the voltmeter should be 240 VAC with no load applied. If desired, verify with a voltmeter that 240V is present at the NEMA L14-20R twist-lock receptacle.
GA-4.5R/GA-4.5RA — PREPARATION FOR LONG -TERM STORAGE Generator Storage For storage of the generating set for over 30 days, the following is required: ■ Drain the fuel tank completely, or add STA-BIL to the fuel. ■ Run the engine until the gasoline in the carburetor is completely consumed.
Page 27
GA-4.5R/GA-4.5RA — MAINTENANCE (ENGINE) Use Table 5 as a general maintenance guideline when servicing your engine. For more detail engine maintenance information, refer to the engine owner's manual supplied with your engine. t n i ) 3 ( l i O r i A ) 1 ( g i t...
GA-4.5R/GA-4.5RA — MAINTENANCE (ENGINE) Maintenance Cleaning the Fuel Strainer Perform the scheduled maintenance procedures as defined by Clean the fuel strainer if it contains dust or water. Remove Table 6 and below: dust or water in the strainer cap and wash it in gasoline. Securely fasten the fuel strainer cap so that fuel will not DAILY leak.
Page 29
NOTE PAGE GA-4.5R/GA-4.5RA A.C. GENERATOR — OPERATION & PARTS MANUAL — REV. #1 (11/27/06) — PAGE 29...
GA-4.5R/GA-4.5RA — TROUBLESHOOTING (ENGINE) diagnosis based on the Engine Troubleshooting (Table 6) Practically all breakdowns can be prevented by proper information shown below and on the proceeding page. If the handling and maintenance inspections, but in the event of a problem cannot be remedied, please leave the unit just as it breakdown, please take a remedial action following the is and consult our company's business office or service...
Page 33
GA-4.5R/GA-4.5RA — TROUBLESHOOTING (ENGINE) f l a i t c . r e i c i f " i s s a " r i A a t - l i f r e t r i a a t - t l i f .
GA-4.5R/GA-4.5RA — TROUBLESHOOTING (GENERATOR) diagnosis based on the Generator Troubleshooting (Table 7) Practically all generator breakdowns can be prevented by information shown below and on the preceding page. If the proper handling and maintenance inspections, but in the event problem cannot be remedied, please leave the unit just as it of a breakdown, please take a remedial action following the is and consult our company's business office or service plant.
Page 35
NOTE PAGE GA-4.5R/GA-4.5RA A.C. GENERATOR — OPERATION & PARTS MANUAL — REV. #1 (11/27/06) — PAGE 35...
Multiquip. A blank entry generally indicates that the item is not sold separately or is not sold by Multiquip. Other entries will be clarified in the “Remarks” Column. PAGE 36 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
GA-4.5R/GA-4.5RA — SUGGESTED SPARE PARTS GA-4.5R/GA-4.5RA 1 TO 3 UNITS WITH ROBIN EX270D ENGINE 1 to 3 Units Qty. Description 1 .... A9924800014 ..CAP, FUEL TANK 1 .... A9924800004 ..FUEL FILTER, FUEL TANK 3 .... 0650140150 ..SPARK PLUG 3 ....
ROBIN EX270D20110/EX270D20220 — CRANKSHAFT AND PISTON ASSY. CRANKSHAFT AND PISTON ASSY. PAGE 50 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
Page 51
ROBIN EX270D20110/EX270D20220 — CRANKSHAFT AND PISTON ASSY. CRANKSHAFT AND PISTON ASSY. PART NO PART NAME QTY. REMARKS 2792020121 CRANKSHAFT CP 0180180010 FLANGE NUT 0323030010 WOODRUFF KEY 2792250120 CONNECTING ROD ASSY......1 ..INCLUDES ITEM W/ 2792300103 CONNECTING ROD BOLT 2792330103 PISTON PIN 2792340103...
ROBIN EX270D20110/EX270D20220 — GOVERNOR ASSY. GOVERNOR ASSY. PAGE 52 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
Page 53
ROBIN EX270D20110/EX270D20220 — GOVERNOR ASSY. GOVERNOR ASSY. PART NO PART NAME QTY. REMARKS 2794230113 GOVERNOR LEVER 2774220113 GOVERNOR SHAFT 2794270101 GOVERNOR ROD CP 2774280113 ROD SPRING 0031305000 CLIP 0130060240 BOLT AND WASHER ASSY. 0186060020 2794250223 GOVERNOR SPRING 2774330113 SPEED CONTROL LEVER 2774350103 STOP PLATE 0200060170...
ROBIN EX270D20110/EX270D20220 — INTAKE AND EXHAUST ASSY. INTAKE AND EXHAUST ASSY. PAGE 54 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
Page 55
ROBIN EX270D20110/EX270D20220 — INTAKE AND EXHAUST ASSY. INTAKE AND EXHAUST ASSY. PART NO. PART NAME QTY. REMARKS 2793160101 CAMSHAFT CP ......... 1 ..... INCLUDES ITEMS W/ 2773510103 PIN, CAMSHAFT, 9DX78.5L 0240060010 O RING, 5.8DX9.6DX1.9T 2773860103 SPRING PIN, 4DX7.5DX11L 2793640103 RELEASE LEVER 2773650103 CLIP, 13.8DX20.3DX0.4T 2773870103...
ROBIN EX270D20110/EX270D20220 — AIR CLEANER ASSY. AIR CLEANER ASSY. PAGE 58 — GA-4.5R/GA-4.5RA A.C. GENERATOR— OPERATION & PARTS MANUAL — REV. #1 (11/27/06)
Page 59
ROBIN EX270D20110/EX270D20220 — AIR CLEANER ASSY. AIR CLEANER ASSY. PART NO. PART NAME QTY. REMARKS 2793262030 AIR CLEANER ASSY. LOW PROFILE ....1 ..INCLUDES ITEMS W/ 510-200 2793263308 BODY CP 510-220 2793265008 GASKET 510-250 2793264508 COVER, LOW PROFILE 2793260907 ELEMENT ASSY.
Effective: February 22, 2006 PAYMENT TERMS Parts must be in new and resalable con- Multiquip reserves the right to quote and sell dition, in the original Multiquip package (if direct to Government agencies, and to Original Terms of payment for parts are net 30 days.
Page 67
NOTE PAGE GA-4.5R/GA-4.5RA A.C. GENERATOR — OPERATION & PARTS MANUAL — REV. #1 (11/27/06) — PAGE 67...
Page 68
This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold. The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations are based on the MQ GA4.5R and GA4.5RA Portable Generators.