Great Plains TCN5313 Operator Manual - Manual (Page 54)

50 TCN5107-5313 Great Plains Manufacturing, Inc.
566-170M 03/17/2014
8. Screw cap on master cylinder reservoir. Start at an
outside hub for step 9.
Refer to Figure 43
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.
Refer to Figure 44
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.
Air Brake Maintenance
Reservoir Draining
Refer to Figure 45
Prior to storage, or daily in humid operations, drain water
from the air brake reservoir tank
to prevent rust inside
the tank, and rust contamination of the brake valve sys-
tem.
1. Set the machine hand brakes.
2. Hold the petcock open until no water flows. Close
petcock.
Air Brake Filter Cleaning
Refer to Figure 46 and Figure 47
The air brake system includes filters
on both the sup-
ply and service lines, to trap any debris introduced dur-
ing connection and disconnection.
Figure 43
Brake Cylinder Bleeder Valve
29585
2
2
Figure 44
Brake Line Tee
41873
3
3
Figure 45
Air Brake Reservoir
41998
1
2
1
2
2