Great Plains NTA3007HD Operator Manual - Manual (Page 123)

Maintenance and Lubrication 119
04/04/2011 166-207M
Charge and Bleed System
Refer to Figure 127
7.
Fill the reservoir with brake fluid, grade:
DOT3 / SAE J1703, or
DOT4 / SAE J1704 / FMVSS 116, or
DOT5.1
System capacity: less than 1 liter
Do not use brake fluid:
DOT5 / SAE J1705
DOT5 and DOT5.1 are completely different fluids.
DOT5.1 is compatible with the braking system.
DOT5 is not.
If there is any chance of confusion in your shop, use DOT3 or DOT4.
Null4:
8. Screw cap on master cylinder reservoir. Start at an
outside hub for step 9.
Refer to Figure 128
9.
Unscrew bleeder valve above brake to open line.
10. Cycle brakes on tractor. Close valve near end of
brake pedal stroke to prevent air from entering at
valve. Check fluid level at reservoir. Top-off as
needed to keep full.
11. When fluid appears at valve, close valve.
12. Repeat step 9 through step 11 for the other outside
hub, then the inside hubs.
Null4:
Refer to Figure 129
13. At brake line tee
, loosen center port connection
just enough to allow air to escape when system is
pressurized, but not enough to allow air to enter.
14. Cycle tractor brakes until no air bubble appear at
connection. Tighten connection.
15. Top off master cylinder reservoir.
Null4:
Figure 127
Brake Master Cylinder
29584
1
1
Null4:
Figure 128
Brake Cylinder Bleeder Valve
29585
2
2
Null4:
Figure 129
Brake Line Tee
29578
3
3