Dodge RAM TRUCK 1500 1995 Service Manual page 188

5-16 POWER BRAKE BOOSTER—BRAKE PEDAL—BRAKELIGHT SWITCH
P O W E R B R A K E
B O O S T E R — B R ^ K E PEDAL™BRAKELI@HT SWITCH
INDEX
page
Brake Pedal Installation
20
Brake Pedal Removal 19
Brakelight Switch Adjustment and Installation 19
Brakelight Switch Removal 18
Brakelight Switch Test and Diagnosis 19
Component Description 16
COMPONENT DESCRIPTION
Power Brake Booster
All BR models are equipped with a Delco 260T,
tandem (dual) diaphragm power brake booster (Fig.
1).
Two versions of the 260T booster are used. A stan­
dard duty version is used in all 1/2 ton models. A
higher output version is used in 3/4 and 1 ton mod­
els.
Brake Pedal
The brake booster is operated by a suspended type
brake pedal (Fig. 2). The pedal pivots on a shaft lo­
cated in a mounting bracket attached to the dash
page
Power Brake Booster Identification . 16
Power Brake Booster Installation 18
Power Brake Booster Operation 17
Power Brake Booster Removal 17
Power Brake Booster Serviceability 17
panel. The pedal shaft is supported by bushings in
the pedal and mounting bracket.
Brakelight Switch
A plunger style, self adjusting brakelight switch is
used for all applications. The switch is positioned in
a separate bracket attached to the pedal mounting
bracket (Fig. 3).
3 0WER BRAKE BOOSTER IDENTIFICATION
The standard and high output boosters are identified
by code letters on the forward face of the booster (Fig.
1).
Booster I.D. code letters are as follows:
• 1/2 ton booster code is ZK
© 3/4 and 1 ton booster code is ZL
IDENTIFICATION BOOSTER INTEGRAL BOOSTER
CODE PUSH ROD MOUNTING PUSH ROD
LOCATION (TO MASTER BRACKET (TO BRAKE
MOUNTING
STUDS
FRONT VIEW SIDE VIEW REAR VIEW
Fig, 1 Delco 260T Power Brake Booster
J9405-20