Page 1
However, the manual may contain information on options not present on your loader. The right is reserved by Barko Hydraulics,LLC to make changes and improvements in it's product at anytime without notice or obligation.
NOTE: NOTE: NOTE: NOTE: Information in this manual is current at the time of printing. Barko Hydraulics reserves the right to make changes and improvements to it's products and manuals at any time without notice or obligation. page 5 page 5...
R P M R P M R P M R P M Power On Power On Power On Power On Power On Faster Faster Faster Faster Faster page 6 page 6 page 6 page 6 page 6 930/937 Mulcher (O) 800-00256...
L L C L L C BARKO HYDRAULICS, L.L.C. ("Barko") warrants to the Distributor and/or original Buyer each new hydraulic knuckle boom loader, mulcher tractor or other product in BARKO's Equipment Group including attachments and accessories thereto, ("Product") sold by BARKO to be free from defects in material and workmanship under normal use, maintenance and service, as follows:...
Don't assume that because you know the control functions of other similar machinery, that you Don't assume that because you know the control functions of other similar machinery, that you can run the Barko 930/937 Mulcher. can run the Barko 930/937 Mulcher.
Page 12
Grease all pivot and cylinder points daily. Grease all pivot and cylinder points daily. Grease all pivot and cylinder points daily. Grease all pivot and cylinder points daily. page 12 page 12 page 12 page 12 page 12 930/937 Mulcher (O) 800-00256...
Page 13
Other fluids will cause machine damage. Other fluids will cause machine damage. Other fluids will cause machine damage. Other fluids will cause machine damage. Other fluids will cause machine damage. page 13 page 13 page 13 page 13 page 13 930/937 Mulcher (O) 800-00256...
Page 14
Gain experience and improve skills over time by gradually increasing the angle of slopes on which you are working. As operating conditions change make the appropriate decisions and adjustments to maintain safe machine operation. page 14 page 14 page 14 page 14 page 14 930/937 Mulcher (O) 800-00256...
Any portable extinguisher or authorized by Barko Hydraulics. authorized by Barko Hydraulics. authorized by Barko Hydraulics. authorized by Barko Hydraulics. authorized by Barko Hydraulics. sparks, hot components or fumes.
Access Door to Axles Axles Axles Axles Axles Transmission is Transmission is Transmission is Transmission is Transmission is under machine. under machine. under machine. under machine. under machine. page 16 page 16 page 16 page 16 page 16 930/937 Mulcher (O) 800-00256...
Damage to axles can Damage to axles can Damage to axles can Damage to axles can Damage to axles can result. result. result. result. result. page 19 page 19 page 19 page 19 page 19 930/937 Mulcher (O) 800-00256...
Low gear is used for mulching. High gear is used for moving machine when attachment is empty. Figure 3 Figure 3 Figure 3 Figure 3 Figure 3 page 20 page 20 page 20 page 20 page 20 930/937 Mulcher (O) 800-00256...
Control/Servo power is activated when pin is located in right hole. When pin is located in left hole, door is locked and control/servo power is deactivated Unlocked Locked Trun Style Door Lock Unlock emergency door to activate control/servo power. Rotate clockwise to unlock. Emergency Door Lock page 22 page 22 page 22 page 22 page 22 930/937 Mulcher (O) 800-00256...
CD / Radio 11-4 Attachment Pump 17 CD / Radio CD / Radio CD / Radio Used to connect diagnostic device Accessory see separate illustration to machine. page 23 page 23 page 23 page 23 page 23 930/937 Mulcher (O) 800-00256...
Page 24
FOR FIXED VS. VARIABLE FLOAT FUNCTION FOR FIXED VS. VARIABLE FLOAT FUNCTION FOR FIXED VS. VARIABLE FLOAT FUNCTION INSTRUMENT PANEL RIGHT SIDE OF CAB CONTINUED - NEXT 2 PAGES page 24 page 24 page 24 page 24 page 24 930/937 Mulcher (O) 800-00256...
Page 25
Both locking switches for the attachment and float must be in the "off" position in order to start the engine. INSTRUMENT PANEL RIGHT SIDE OF CAB CONTINUED - NEXT PAGE page 25 page 25 page 25 page 25 page 25 930/937 Mulcher (O) 800-00256...
Page 26
Tempature Up Tempature Up Tempature Up Tempature Up Tempature Up Increases the tempature Tempature Down Tempature Down Tempature Down Tempature Down Tempature Down Decreases the tempature page 26 page 26 page 26 page 26 page 26 930/937 Mulcher (O) 800-00256...
MENU / SCAN Button MENU / SCAN Button sources. Short press: MENU button, to open the basic settings menu. Long press: SCAN, to start scan function page 27 page 27 page 27 page 27 page 27 930/937 Mulcher (O) 800-00256...
Page 30
Right Arrow – Scroll the screen and move the parameter selection to the right or downward. Enter Key – Select a menu or parameter or hide/view an active fault code. page 30 page 30 page 30 page 30 page 30 930/937 Mulcher (O) 800-00256...
Page 31
Menu is pressed, the main menu items are displayed. Menu 2. Touching the Arrow Keys Arrow Keys Arrow Keys Arrow Keys will move the selection bar to other menu items. Arrow Keys page 31 page 31 page 31 page 31 page 31 930/937 Mulcher (O) 800-00256...
Page 32
Arrow Keys there are more screens that may be viewed. Use Arrow Keys the Arrow Keys Arrow Keys Arrow Keys Arrow Keys Arrow Keys to scroll to the next screen of information. page 32 page 32 page 32 page 32 page 32 930/937 Mulcher (O) 800-00256...
Page 33
Right Arrow Key will display the coolant temperature. The screen can be changed to other parameters Right Arrow Key by pressing Menu Menu Menu Menu Menu. page 33 page 33 page 33 page 33 page 33 930/937 Mulcher (O) 800-00256...
Page 34
8. Once the USE DEFAULTS, CUSTOM SETUP and AUTOMATIC SCAN functions have been set, touch Menu Menu Menu Menu Menu once to return to the main menu, or twice to display the 1-up display screen. page 34 page 34 page 34 page 34 page 34 930/937 Mulcher (O) 800-00256...
Page 35
8. The parameter in the selected quadrant has changed to the parameter selected in the previous screen. 9. Repeat the parameter selection process until all spaces are filled. page 35 page 35 page 35 page 35 page 35 930/937 Mulcher (O) 800-00256...
Page 37
· BACKLIGHT DIMMER, the default setting, will accept an optional backlighting dimmer. · FUEL LEVEL accepts an optional Murphy fuel sender (model ES2F recommended) for fuel level information. page 37 page 37 page 37 page 37 page 37 930/937 Mulcher (O) 800-00256...
Page 38
Enter Enter. 4. Continue to scroll each selection (BAUD RATE, PARITY, DATA BITS, STOP BITS) to configure the serial port parameters for your Modbus slave application. page 38 page 38 page 38 page 38 page 38 930/937 Mulcher (O) 800-00256...
USB Port USB Port USB Port USB Port USB Port The USB Port is used to plug a computer into the MD3 Control Panel. (not shown) page 39 page 39 page 39 page 39 page 39 930/937 Mulcher (O) 800-00256...
UP arrow activates. When there is no label here the arrow is used to scroll up when the option is available. page 40 page 40 page 40 page 40 page 40 930/937 Mulcher (O) 800-00256...
Once OK has been pushed, this warning message is displayed. You must either press F4 to accept the changes made or F2 to cancel your changes. page 42 page 42 page 42 page 42 page 42 930/937 Mulcher (O) 800-00256...
Once OK has been pushed, this warning message is displayed. You must either press F4 to accept the changes made or F2 to cancel your changes. page 43 page 43 page 43 page 43 page 43 930/937 Mulcher (O) 800-00256...
OK button to accept the change. To return to the Main menu, press F1. Once in the Adjust screen, highlight Control Sensitivity . With the Controls Group highlighted, press the OK button. page 44 page 44 page 44 page 44 page 44 930/937 Mulcher (O) 800-00256...
Engine power derate. Yellow 32 of the engine harness. P108 Low voltage detected at ambient air pressure signal Engine power derate. Yellow 32 of the engine harness. page 45 page 45 page 45 page 45 page 45 930/937 Mulcher (O) 800-00256...
Page 46
Power to the real time clock has been interrupted and its Time stamp in ECM powerdown data will be incorrect. Maintenance setting is no longer valid. page 46 page 46 page 46 page 46 page 46 930/937 Mulcher (O) 800-00256...
Page 47
Engine idles when validation switch indicates idle and ramps up to Yellow supply pin 29 of the OEM harness. a default set speed when idle validation switch indicates off-idle. page 47 page 47 page 47 page 47 page 47 930/937 Mulcher (O) 800-00256...
Page 48
Error detected in the Output device Driver (VGT of Can not control the VGT or Transmission, depending on application. Yellow Transmission Shift Modulation signal) signal pin 21 of the OEM harness. page 48 page 48 page 48 page 48 page 48 930/937 Mulcher (O) 800-00256...
10. Never operate machine within 300 feet of personnel or other operating equipment. Clear all personnel from area. 11. Familiarize yourself with work site: note any hazards, obstructions or power lines, note ground conditions, terrain, and timber distribution. page 49 page 49 page 49 page 49 page 49 930/937 Mulcher (O) 800-00256...
Read and understand those instructions before Read and understand those instructions before Read and understand those instructions before operating machine. operating machine. operating machine. operating machine. operating machine. page 54 page 54 page 54 page 54 page 54 930/937 Mulcher (O) 800-00256...
When driving machine on highway, know what Shut off machine engine and set parking warnings must be placed on machine and whether an brake. escort is needed. page 55 page 55 page 55 page 55 page 55 930/937 Mulcher (O) 800-00256...
With brake disconnect, machine is allowed to roll With brake disconnect, machine is allowed to roll The Barko 930/937 Mulcher tractors can be towed when freely and can cause severe injury or death. freely and can cause severe injury or death.
Do not weld on any structural member unless Do not weld on any structural member unless Do not weld on any structural member unless specifically authorized by Barko Hydraulics. specifically authorized by Barko Hydraulics. specifically authorized by Barko Hydraulics. specifically authorized by Barko Hydraulics.
Ground as close as possible to the welding location. Do NOT ground through a bearing or bushing when welding. Procedure for Welding on 930 / 937 with John Deere engine Procedure for Welding on 930 / 937 with John Deere engine...
Check torque of bolts and nuts (retorque if necessary): Change all filter elements. Resume the normal maintenance intervals after this. See the Service Schedule for more information. page 60 page 60 page 60 page 60 page 60 930/937 Mulcher (O) 800-00256...
Barko also recommends that you consult your Operators manual provided by the engine manufacturer to ensure that filter elements other than the ones provided by the engine manufacturer have been tested and meet there qualifications. page 61 page 61 page 61 page 61 page 61 930/937 Mulcher (O) 800-00256...
Page 63
NOTE : Use the intervals on Service Schedule when operating in normal conditions. Service the machine at shorter NOTE : NOTE : intervals when operating in very hot, cold, dusty, or humid conditions. page 63 page 63 page 63 page 63 page 63 930/937 Mulcher (O) 800-00256...
Tire pressure may vary slightly depending upon the application of the machine (saw head, mulcher head...). As a general guide the following is suggested: Front Tires (saw machines) 28L Tires 30 PSI 67x34 Tires 50 PSI page 64 page 64 page 64 page 64 page 64 930/937 Mulcher (O) 800-00256...
Page 66
See detail at right. Detail of Centralized Lube Detail of Centralized Lube Detail of Centralized Lube Detail of Centralized Lube Detail of Centralized Lube System System System System System page 66 page 66 page 66 page 66 page 66 930/937 Mulcher (O) 800-00256...
In cold weather operation, the cloud point should be 10 degrees F. below lowest normal air temperatures. page 67 page 67 page 67 page 67 page 67 930/937 Mulcher (O) 800-00256...
Page 68
Engine coolant supplied from the factory meets or exceeds engine manufacturer specifications. Please see the engine manufacturer's manual to determine correct coolant and mixture, (ambient temperature dependent), when servicing the radiator. Current cooling system capacities are: 930 Cummins 305HP approx. 7 gallons 937 Cummins 365HP approx. 8 gallons...
P O U N D S P O U N D S P O U N D S 1-3/8 3250 3700 1950 2220 1-1/2 4350 4850 2600 2900 page 70 page 70 page 70 page 70 page 70 930/937 Mulcher (O) 800-00256...
Tighten or replace belt. Radiator plugged. Clean and inspect radiator. Air filter elements plugged. Clean or replace elements. Recharge battery. Engine will not start. Low or discharged battery. page 71 page 71 page 71 page 71 page 71 930/937 Mulcher (O) 800-00256...
Page 72
Low hydraulic oil supply. Fill hydraulic reservoir with proper hydraulic oil. Inspect lines. Replace parts if Obstruction in line or line damaged. necessary. page 72 page 72 page 72 page 72 page 72 930/937 Mulcher (O) 800-00256...
Page 73
Defroster switch needs service. Replace switch. Defroster fan motor needs Repair or replace motor. service. Disconnected or damaged wiring. Inspect wiring. Connect or replace wiring as necessary. page 73 page 73 page 73 page 73 page 73 930/937 Mulcher (O) 800-00256...
Page 75
N O T E N O T E N O T E N O T E This section of the manual is used for the decal kits appropriate for the 930/937 Mulcher. Those kits are: 930 Base Kit (539-01064) 930 Cab Kit (539-01051)
Page 76
MANUAL ORDERING FORM You may order one free Parts Manual and one free Service Manual (if available) for your machine by sending this completed form to Barko Hydraulics,LLC. NOTE: No manuals can be shipped out without the serial number of the machine written in below, since all manuals are made per machine serial number.
Need help?
Do you have a question about the 930 and is the answer not in the manual?
Questions and answers