Great Plains NTA2007 Operator Manual - Manual (Page 128)

124 NTA607 or NTA2007 Table of Contents Index Great Plains Manufacturing, Inc.
166-372M Table of Contents Index 2012-01-05
Charge and Bleed System
Refer to Figure 107
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 litre
8. Screw cap on master cylinder reservoir. Start at left
hub for step 9.
Refer to Figure 108 (which depicts the brake system on an
older Model NTA607HD - the NTA607 system is similar, but
does not have parking brakes)
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 right hub.
Refer to Figure 109
13. At brake line tee
, loosen centre 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.
Equipment Damage Risk:
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.
1
Figure 107
Brake Master Cylinder
31227
1
Figure 108
Brake Cylinder Bleeder Valve
31246
3
3
Figure 109
Brake Line Tee
31247
4
4