Service Brakes - TM-10-3930-632-120094

TM 10-3930-632-12

b. Installation. Installation may be

accomplished by reversing the procedures outlined in

figure 4-62.

4-76. Service Brakes

Paragraph 4-75.a through c. (3) deleted.

Figure 4-53 deleted.

d. Bleeding Brake System. Whenever the

brake system is opened for any reason, such as repairs

to master cylinder, wheel cylinder, valves or tubing, air

will enter the brake system and must be expelled

through the bleeding procedure outlined in the following

paragraphs.

Pressure bleeding, as outlined in

paragraph (1) is the preferred method if the proper

equipment is available.

(1) Pressure Bleeding. Make certain that

the pressure bleeding equipment will hold enough of the

right type of brake fluid to do the job (about 2 quarts).

Do not intermix different types of brake fluid, and never

reuse fluid that has been drained from the brake system.

Figure 4-52. Hand Brake Lever, Removal and

WARNING

Installation

Make certain that pressure bleeder tank is

certified for use at pressures exceeding 30

PSI before using.

(a) Clean all dirt, grease, etc., from

around the master cylinder reservoir cap on both the

brake and inching master cylinder.

(b)

Remove the master cylinder

reservoir cap and fill reservoir with SAE 70 R3 Heavy

Duty Hydraulic Brake Fluid to within /4 inch from the top

of the reservoir.

with about 2 quarts of the same fluid, and pressurize the

tank to NOT MORE than 30 PSI.

(d) Place a flat pan under the axle

adapter to catch brake fluid spillage, and connect the

pressure bleeder line to the brake master cylinder.

Open the pressure bleeder valve.

(e)

With the bleeder hook-up

completed as shown in figure 4-54, open bleed points B

and C and allow fluid to flow from loosened fittings until

no further bubbles appear in the flow. Tighten fittings

securely when all air is expelled.

Change 2 4-67