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Summary of Contents for Gradall G3W
- Page 1 7700-4004 J u l y 2 0 0 2 S t a r t i n g S/N 81W001 Original Issue 1/84 Form #8020 GRADALL 406 Mill Avenue S.W. New Philadelphia, OH, 44663, USA Telephone: (330) 339-2211 Fax: (330) 339-3579...
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Page 4: Important Safety Notice
Safe operation depends on reliable equipment and proper operating procedures. Performing the checks and services described in this manual will help to keep your Gradall Carrier in reliable condition and use of the recommended operating procedures can help you avoid accidents. - Page 6 This manual provides important information to familiarize you with required operator maintenance This Operator’s Manual and with safe operating procedures for the Gradall CIMA Excavator User’s Safety Manual wheeled excavator undercarriage. CIMA Off-Highway Truck Safety Manual...
- Page 7 SAFETY HIGHLIGHTS Read and understand this manual and “CIMA Off-Highway Truck Safety Manual” before starting, operating or performing maintenance procedures on this carrier. Do not permit this carrier to be driven by an operator who cannot read English unless these manuals have been read and explained to him and his full understanding is determined.
- Page 8 SAFETY HIGHLIGHTS L e a r n t o r e c o g n i z e ‘ P I N C H P O I N T S ’ Boom Cradle Counterweight & Another Object Boom Boom Holes Upperstructure &...
- Page 9 SAFETY HIGHLIGHTS K e e p s t e p s a n d d e c k a r e a s f r e e o f m u d , o i l , g r e a s e a n d o t h e r f o r e i g n m a t e r i a l .
- Page 10 If it differs, or if you aren’t sure, contact your Gradall distributor before you run your unit. Be particularly careful if this is not the machine Maintain three point contact with grab handles y o u u s u a l l y o p e r a t e .
- Page 11 SAFETY HIGHLIGHTS Never carry a water can or other worker’s tools o r p erso n al items o n th e mac h in e. Suc h ite ms Do not carry passengers or move the unit until all c a n c a u s e o t h e r w o r k e r s t o a p p r o a c h t h e m a c h i n e o t h e r p e r s o n s h a v e g o t t e n o f f a n d a r e c l e a r o f t h e without your knowledge and result in serious injury...
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Page 12: Instruments And Indicators
INSTRUMENTS AND INDICATORS Left Turn Signal Indicator Light (L 1-13). Digging Brake Indicator Light (flashes to indicate digging brake is applied) Fuel Gage Wheel Lock Control Indicator Light (glows *12. to indicate failure of front axle portion of Oil Pressure Gage wheel lock control system) Air Pressure Gage (for front portion of air rake system) - Page 13 CONTROLS 6x6 UNITS 6x4 UNITS Windshield Washer Switch Choke Control Knob (gasoline engine only) Head, Tail & Clearance Light Switch Engine Stop Handle (diesel engine only) Windshield Wiper Switch Headlight Hi/Lo Beam Switch Heat Vent Control Knob (down for defrost) Clutch Pedal Heat Control Knob (up for hot) Brake Valve Pedal...
- Page 14 CHECKS AND SERVICES BEFORE STARTING EN- GINE Complete all required maintenance before driving the carrier U s e e x t r e m e c a u t i o n w h e n c h e c k i n g i t e m s b e y o n d y o u r n o r m a l r e a c h .
- Page 15 ubricate unit as indicated on lubrication chart. Check fuel level and replenish as necessary. Refuel work shift minimize condensation. Engine should be turned off while refueling. Be sure area is free of open flame, sparks or any condition which could cause fuel to ignite. Check engine coolant level and replenish as necessary.
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Page 16: Engine Operation
ENGINE OPERATION NO TE : If en gin e is b e ing st a rte d at b e g in ni ng o f wo rk s h ift b e s u re to p e r f o r m a l l “ C H E C K S A N D S E RV I C E S B E F O R E S TA R T I N G E N G I N E ” Starting Gasoline Engine seconds, release key and allow starting motor to Be sure main transmission is in neutral and... -
Page 17: Cold Weather Starting Aids
Cold weather starting aids Diesel engine ignition is accomplished by heat it would be impractical to attempt to provide generated when fuel/air mixture compressed specific instructions for their use in this manual. within the cylinders. Because this heat may be Carefully follow instructions furnished with your insufficient to start a cold engine in cold weather, starting aid. -
Page 18: Checks After Starting Engine
CHECKS AFTER STARTING ENGINE (To be performed at beginning of each work shift) Complete all required maintenance before driving put. Proper output is approximately 14 V. with Check operation of windshield washer and engine running at 2000 RPM. wiper. Observe water temperature gage. Proper Check all lights and turn signals for proper operating temperature... -
Page 19: Brake System
BRAKE SYSTEM The air brake system includes a service brake, an emergency brake, a parking brake and a digging brake. The system may also include an optional wheel lock control system to minimize skidding. Wear safety belt to avoid-being thrown from driver’s seat... -
Page 20: Emergency Brake
order. In the event of a defect in the wheel lock treadle valve will apply service brakes to the wheels of the forward and rear tandem axles. There will be control system, more lights will glow n o b r a k i n g o n t h e w h e e l s o f t h e f r o n t a x l e . c o n t i n u o u s l y t o c a l l a t t e n t i o n t o t h e c o n d i t i o n . -
Page 21: Parking Brake
If the air pressure gages indicate some system DIGGING BRAKE APPLICATION DIGGING BRAKE APPLICATION DIGGING BRAKE APPLICATION DIGGING BRAKE APPLICATION DIGGING BRAKE APPLICATION pressure remaining, it may be possible to drive the unit a short distance to remove it from a hazardous p o s i t i o n ( u s e f i r s t g e a r a n d l o w r a n g e o n l y ) . - Page 22 Remote control braking element to thaw ice which may form in cold weather. A control screw located on the bottom of the valve three positions, AUTOMATIC, M A N U A L D R A I N a n d S H U T O F F . The digging brake is applied by the control toggle in the carrier cab.
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Page 23: Steering System
STEERING SYSTEM Conventional steering Remote control steering The power steering system provides low effort Your unit is equipped with a steering lever in the steering under normal conditions greater upperstructure cab. Upperstructure engine must be control in the event of a blowout or soft ground. running provide power... -
Page 24: Power Train
POWER TRAIN The major variations found on 6x6 carriers (units having two driving axles at rear and a third driving axle in front) are the substitution of a front driving The power train furnished on 6x4 carriers (units axle in place of a non-driving front axle and the having two driving axles at rear) includes the engine, substitution of a transfer case for the auxiliary clutch, transmission, auxiliary transmission, rear... - Page 25 Four speed auxiliary transmission “OD” is a high range which permits maximum speed and fuel economy but at reduced power (furnished with diesel engine) “OD” is recommended only for light engine load conditions and should never be used for starting The four speed auxiliary transmission includes “1”...
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Page 26: Main Transmission
Main Transmission The transmission is a gearbox which transmits torque from the engine as it is delivered to move the carrier. The transmission in your carrier provides five forward speeds and one reverse speed. Excessive force on gearshift lever can The lowest transmission gear range (first gear) overcome the synchronizing mechanism provides the greatest carrier power and the lowest... - Page 27 With clutch pedal still depressed shift auxiliary Depress clutch again and carefully shift auxiliary transmission or transfer case to desired power/ transmission from “N” to “OD”. If shift timing speed range and engage or disengage front wheel has been correct, gears will engage smoothly with d r i v e a s r e q u i r e d ( i f s o e q u i p p e d ) .
- Page 28 Shifting main and auxiliary Avoid continuous operation at full governed engine RPM. Cruising at governed RPM reduces engine transmissions service life and provides no reserve power for varying conditions. It is good practice to select a When shifting both main auxiliary gear offering...
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Page 29: Remote Control
REMOTE CONTROL N O T E : R e m o t e c o n t r o l i s t o b e u s e d f o r p o s i t i o n i n g u n i t a t j o b s i t e , n o t f o r o v e r - t h e - r o a d t r a v e l . - Page 30 Precautions for remote control operation Never tow load using remote control drive. Be sure of clear visibility in direction of travel; use a signalman to compensate for blind spots. Be sure travel alarm functions properly. Be sure upperstructure swing brake functions properly before moving carrier in remote Never permit bucket to drag while moving unit.
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Page 31: Parking Procedure
PARKING THE GRADALL Precautions: chine with boom in air. Avoid parking on banks or near an excavation. Park on level ground and block wheels. Avoid parking on roads or highways. It it can- not be avoided be sure to display warning flags If parking on a slope cannot be avoided, posi- during day and flares or flashing lights at night. - Page 32 6X4 CARRIER LUBRICATION & MAINTENANCE DIAGRAM...
- Page 36 LUBRICATION RECOMMENDED LUBRICANTS *Refer to manufacturer’s literature in service manual furnished with your unit. CAPACITIES (Capacities are approximate - check level) Do Not Overfill Liters 6 1/2 pts. Transfer Case ............24 pts.
- Page 37 SECURING BOOM/BUCKET FOR TRAVEL Position for buckets narrower than boom rest Position for buckets wider Position for buckets with same than boom rest width as boom rest I F Y O U G E T S T U C K If unit becomes stuck in soft ground you can use rear to prevent tipping) and imbed bucket in ground.
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Page 38: Hydraulic Equipment
Hydraulic Equipment 406 Mill Avenue, S.W. New Philadelphia, Ohio 44663 PHONE: (330) 339-2211 FAX: (330) 339-8468 WEB SITE: www.gradall.com CALIFORNIA CALIFORNIA Proposition 65 Warning Proposition 65 Warning Battery posts, terminals and related accessories contain lead and lead Diesel engine exhaust and some of its...
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