Drain hydraulic brake lines, Charge and bleed system – Great Plains TCN5313 Operator Manual User Manual
Page 53
Great Plains Manufacturing, Inc.
Maintenance and Lubrication
49
03/17/2014
566-170M
Refer to Figure 39 (which depicts air brake system - reservoir
for hydraulic brake system is similar)
4.
Clean and dry top of master cylinder reservoir
.
5.
Remove cap and keep free of contaminants.
Drain Hydraulic Brake Lines
6.
If draining brake system:
A. Remove drain plug at rear of reservoir and empty
reservoir. Re-secure plug.
B. Start at an outside hub for the following steps.
C. Connect recovery tubing to the bleeder valve
,
Refer to Figure 40
, above the brake line. Unscrew
valve to open line.
D. Operate tractor brakes to cycle machine system.
Continue until no fluid flows at hub.
E. Close valve, and repeat step C and step D for the
other outside hub, then the inside hubs.
Refer to Figure 41 (which depicts air brake system - tee for hy-
draulic brake system is similar)
F. Disconnect center port of brake line tee
. Cycle
brakes until no fluid flows. Re-secure tee.
Charge and Bleed System
Refer to Figure 42
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.
Figure 40
Brake Cylinder Bleeder Valve
29585
2
1
2
Figure 41
Brake Line Tee
41873
3
3
Figure 42
Brake Master Cylinder
41998
1
1