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916 - 918 owners manual.doc 

4/22/08 

page 3 of 9 

SERVICE INFORMATION 

 
1.  Check reservoir level using sight glass on the left side of the tank.  If required, add to 

reservoir with tractor transmission hydraulic oil (Shell DONAX TD FLUID or comparable).  
Recheck oil level after the tiller has been run and oil has been circulated through the wheel 
and tine motors.  Routinely check level thereafter.  DO NOT OVERFILL THE TANK. 

 
2.  Change the hydraulic oil filter after the first 50 hours of use.  Change it after every 200 hours 

thereafter. 

 
3.  Add 1 quart of hydraulic oil to the reservoir with each oil filter change. 
 
4.  Check the tine bolts after each use and tighten as needed. Check all hydraulic fittings for 

leaks and tighten if necessary. 

 
5.  Tines should be changed as often as needed for the machine to do a satisfactory and efficient 

tilling job.  Use Loctite stud and bearing adhesive/sealant on tine bolt threads to prevent 
loosening. 

 
6.  The grease zerk on both ends of the tine shaft flange bearing should be greased after every 4 

to 8 hours of use. 

 
7.  Grease zerks on the axle ends (to lube wheel hubs) should be greased once a week or so, 

depending upon freewheel use. 

 
IMPORTANT: The engine is normally serviced prior to shipping.  However, shipping 
regulations may prohibit this.  Check levels and add oil and fuel as required before starting.  
Service according to the engine manual before starting. 
 
WARNING: Running the tiller without hydraulic oil will cause serious damage to the hydraulic 
pump.  CHECK RESERVOIR LEVEL BEFORE STARTING THE MACHINE. 
 
 
 

BREAK IN PROCEDURE 

 

KEEP ALL PERSONNEL CLEAR OF MACHINE 

DURING BREAK IN TO PREVENT INJURY!! 

 
Before using tiller, lower the depth bar to raise the tines off the ground.  Tape clutch handle in 
closed position and let the machine run for 30 minutes at half throttle with tines in motion.  

Summary of Contents for 916

Page 1: ... of operation Pay particular attention to the safety and operating instructions If you have any questions or need any replacement parts in the future please contact us at your convenience Our toll free phone number fax and email are listed below THANK YOU for your patronage and confidence in BARRETO equipment Barreto Manufacturing Inc Innovative Equipment Engineered to Last 66498 Hwy 203 La Grande...

Page 2: ... with fuel and oil according to the engine manual 7 Free wheel hubs Pull one free wheeling pin slightly using the split ring Rotate the pin until the 1 8 diameter roll pin aligns with the slot in the mounting plate Allow the pin to slide through the slot Repeat for the other wheel Roll the tiller until each pin drops into a hole in the hub The hubs are now locked 8 Uncoil the wire for the remote e...

Page 3: ...tory and efficient tilling job Use Loctite stud and bearing adhesive sealant on tine bolt threads to prevent loosening 6 The grease zerk on both ends of the tine shaft flange bearing should be greased after every 4 to 8 hours of use 7 Grease zerks on the axle ends to lube wheel hubs should be greased once a week or so depending upon freewheel use IMPORTANT The engine is normally serviced prior to ...

Page 4: ...e control lever is moved away from center the faster the tiller will travel When the lever is centered the wheels are locked in a neutral or park position 9 TINE DRIVE LEVER The tines operate at a constant speed The TINE DRIVE lever must be moved all the way over to either the forward ON position or REV position when tilling If an object becomes lodged in the tines put the WHEEL DRIVE lever in neu...

Page 5: ... safety goggles hard hat protective footwear and hearing protection while operating or observing 7 Rotating tines can cause serious injury KEEP HANDS AND FEET CLEAR 8 KEEP TINE COVER CLOSED and MACHINE LEVEL while tines are operating 9 Buried cables or gas lines can cause serous injury or death Contact local agencies for location 10 Fuel exhaust and fuel fumes can cause illness or death Operate ou...

Page 6: ...r and or factory and determined defective upon inspection Replacement for parts to dealers shall be at dealer cost plus shipping charges 2 Time for pick up and or delivery transportation or service calls by dealers is excluded Manufacturer reserves the right to determine reasonable time required for repair Warranty does not apply to damage caused by abuse or neglect Time and materials required for...

Page 7: ... four gallons of hydraulic oil into a clean bucket The 52 CID pump 1000 PSI 3000 RPM should pump at the rate of 6 5 GPM Replace the hose and remove the 6 whiz locks securing the actuator valve assembly to the tank Tip it back to view inside the tank Block the tines with a short 4 X 4 and stand to the side With tines selected to on forward rotation activate the actuator valve and check to see where...

Page 8: ...TINES DO NOT TURN 1 Rocks or other obstruction blocking tines 2 Tine shaft bound with wire vines or grass 3 Tilling depth too great for soil conditions 4 Outboard tine shaft bearings binding 5 Engine improperly tuned or maintained 6 Low oil alert causes engine to shut down 7 Engine losing power due to wear Shut OFF engine and remove obstruction Shut OFF engine and remove debris especially at the e...

Page 9: ...ng shaft seal Rebuild per instructions in Hydraulic Motor manual or replace with a new motor F EXCESSIVE FOAMING OF HYDRAULIC OIL FROM VENT HOSE 1 Improper oil used 2 Pump sucking air 3 Hydraulic pump is faulty Verify that hydraulic oil used has anti foaming additives Inspect and tighten fittings on intake side of pump Test using procedure in section A4 above Recommended oil is Shell DONAX TD FLUI...

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