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Summary of Contents for Gradall G660
- Page 1 OPERATOR’S MANUAL G660 Starting Machine 2 of Lot 224 83631025 July, 2002 GRADALL 406 Mill Avenue, S.W. New Philadelphia, OH, 44663, USA Telephone: (330) 339-2211 Fax: (330) 339-3579...
- Page 4 Any procedure not specifically recommended by The Gradall Divi- sion must be thoroughly evaluated from the standpoint of safety before it is placed in practice. If you aren’t sure, contact your Gradall Distributor before operating. Do not modify this machine without written permission from the Gradall Division.
- Page 6 SAFETY HIGHLIGHTS Read and understand this manual and “CIMA Hydraulic Excavator User’s Safety Manual” before operating. Serious injury or death can result from unsafe operating practices. Inspect your machine daily before operating and before engine startup. PERFORM ALL REQUIRED MAINTENANCE BEFORE OPERATING UNIT. Keep swing area free of tools, buckets and blocking.
- Page 7 Be sure you have enough clearance for upper- structure tail swing, especially if there are cars or peo- ple in the area. Always have a flagman to direct traffic. Never reach into the boom holes unless the boom sections are securely anchored together with a heavy timber or chain.
- Page 8 Safety When parking or traveling with boom in boom rest, allow sufficient clearance to prevent damage to cab or windows in case bucket closes. Be especially careful when traveling. Never assume a clear path. Give audible signal before traveling. Recommended overnight parking precautions include: •...
- Page 9 12. Boom Extend & Retract Lever 13. Hourmeter 14. Open Bucket Pedal 15. Close Bucket Pedal WARNING 16. Swing Boom Left Pedal Know and understand controls and instru- 17. Swing Boom Right Pedal ments before operating the Gradall. 18. Clutch Engagement Stud...
- Page 10 CONTROL, INSTRUMENT AND INDICATOR VARIATIONS (Upperstructure only) CRAWLER MOUNTED UNITS UNITS EQUIPPED FOR REMOTE CONTROL...
- Page 11 UNITS ARE EQUIPPED WITH UNITS EQUIPPED WITH DETROIT DIESEL MODEL 4-53 ENGINE DETROIT DIESEL MODEL 4-7IN ENGINE CONTROLS COMMON TO UNITS EQUIPPED UNITS EQUIPPED WITH DEUTZ ENGINE FOR VARIABLE HYDRAULLIC FLOW (lubrication instructions shown inside the back cover) *Flow varies automatically to compensate for varying load (pressure) conditions.
- Page 12 CHECKS AND SERVICES BEFORE STARTING UPPER ENGINE (To be performed at beginning of each work period.) Complete all required maintenance before operating enter these ports, it can shorten the life of o-rings, WARNING seals, packings and bearings. Use extreme caution when checking items When adding fluids or changing filter elements, refer beyond your normal reach.
- Page 13 TILT GEAR BOX Check lubricant level in swing transmission and fill to level as necessary. Check level of transmission fluid and fill to level as necessary. Check coolant and anti-freeze level in radiator and fill as necessary. Check coolant for proper pro- tection against freezing and boilover.
- Page 14 Checks and Services Before Starting Upper Engine Be sure engine clutch is engaged. Check all cab windows and clean as necessary. NOTE: Disengage engine clutch for easier starting Cracked or broken windows must be replaced. in cold weather. After starting, engage clutch with engine at idle speed.
- Page 15 UPPER ENGINE OPERATION NOTE: If engine is being started at beginning of work shift be sure to perform all “CHECK AND SERVICES BEFORE STARTING UPPER ENGINE” (pages 8 through 10). Starting Detroit Diesel and Caterpillar Engines (cold start) 1. It is recommended that the engine clutch be 2.
- Page 16 These warning signals are actuated auto- Once engine has reached operating temperature run at matically when the fan belt breaks. If this full throttle for efficient Gradall operation. occurs, stop the engine immediately and notify maintenance personnel. CAUTION Be alert for unusual noises or vibration.
- Page 17 EMERGENCY STOP (furnished with Detroit Diesel CAUTION engines only): In the event your Detroit Diesel engine continues to run for more than 15 seconds after Use “EMERGENCY ONLY” handle only in attempting to stop the engine in the normal manner, emergency.
- Page 18 BEFORE DIGGING Complete all required maintenance before operating. 1. Raise boom from boom rest far enough to clear the 4. Operate the Gradall slowly through a few complete carrier cab completely. digging cycles to warm the hydraulic oil throughout the system. Observe all operations, check for leaks.
- Page 19 BUCKET INSTALLATION CAUTION WARNING Do not dig with a loose or improperly Keep boom in fully extended position fitted bucket. Be certain nuts remain tight. while installing bucket. Stay clear of bucket and boom until bucket adapter has been fitted to bucket as shown in step 3. Position adapter above bucket tube with adapter in Lower boom until bucket tube seats firmly within “Bucket Open”...
- Page 20 REMOTE CONTROL NOTE: Remote control permits control of carrier travel from upperstructure. Remote control is to be used for positioning unit at job site, not for over the road travel. Preparing carrier for remote control operation 1. Apply parking brake. WARNING 2.
- Page 21 Precautions for remote control operation Be sure of clear view in direction of travel. Always give audible signal before traveling. Use a signalman to compensate for blind Never permit bucket to drag while moving unit. spots. Be especially watchful for traffic and overhead wires.
- Page 22 Crawler undercarriages are furnished to enable the 6. Mud and debris can prevent rollers from turning Gradall to travel over rough terrain and reach work and cause flat spots. Clean track components as sites which would not be accessible to the ordinary often as necessary.
- Page 23 HOW TO OPERATE THE CRAWLER...
- Page 24 Never permit bucket to drag while moving unit. Be sure upperstructure swing brake func- Always give audible signal before traveling. Never tow load with self-propelled Gradall. Driving Self-Propelled Units 1. Move transmission shift lever to the desired speed NOTE: Brake toggle and footpedal in upperstructure range position.
- Page 25 TO MAKE A TYPICAL GRADALL CUT IMPORTANT Your Gradall has sufficient power to permit a fast efficient digging cycle. The pro- cedure on the following pages describes a typical cycle in separate steps; as you gain experience, combine control functions for a smooth cycle with no lost time.
- Page 26 Press outer right pedal to swing the boom right (J), or Push right lever forward to extend boom (F) and at the inner right pedal to swing left (I), out over the pro- same time push left lever forward to lower boom (B), posed digging site.
- Page 27 To Make A Typical Gradall Cut Position bucket open (G) or closed (H) for correct Pull center lever back to tilt boom clockwise (C) or penetration while boom is being lowered. Push for- push center lever forward to tilt boom counterclock- ward on left lever to force boom down for penetration wise (D) if necessary.
- Page 28 Pull right lever back to retract boom (E), and at the The bucket cutting edge raises as the boom retracts. Slight adjustment of bucket open pedal (G) is advis- same time push left lever forward to apply down pres- sure to maintain grade (B). able to maintain grade.
- Page 29 To Make A Typical Gradall Cut Pull left lever back (A) and as the boom rises, press When bucket is raised high enough to clear obstruc- inner left pedal (H) to close the bucket and prevent tions, swing boom left (I) or right (J) to dump loca- excess spillage.
- Page 30 Press outer left pedal (G) to open bucket and release dirt. Swing boom left (I) or right (J) to align boom for next cut and repeat steps 4 through 11.
- Page 31 2. When ditch cleaning from the road on a rubber tired carrier truck-mounted Gradall, travel with traffic toward the unclean end of the ditch, for a clear view of the cleaned ditch, the road shoulder, and the truck hauling the spoil.
- Page 32 Kits are available from your Gradall distributor. Serial Number Know the serial number and the lot number of your Gradall. If there are any questions about the machine or its operation, contact your Gradall distributor. The serial number and the lot number of your machine must be given when requesting any information or ordering parts.
- Page 33 PARKING THE GRADALL Parking Precautions Avoid parking on slopes or near an excavation. If parking on a slope cannot be avoided, posi- tion unit at right angle to slope if possible and Avoid parking on roads or highways. If it can- block wheels.
- Page 40 LUBRICATION — RECOMMENDED LUBRICANTS 30W may be substituted. Viscosity ASTM: SUS 215 Rust Test (ASTM D665): Pass Procedures A & B Vislocity Oxidation Test (ASTM D 943): 2500 min. hrs. to Neut. NO. of 2.0 SUS at 100°F (37.8°C): SUS at 210°F (48.9°C): 48.0 Pour Point °F: -30°F (-34.4°C)
- Page 41 REPLACEMENT FILTER ELEMENTS VENDOR P/N W&S P/N Oil Filters ............Detroit Diesel 4-53 PF-911 8698-3463...
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