Infiniti F50. Manual - part 683

PARKING BRAKE SHOE

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INSTALLATION

Install all parts in the reverse order of while taking care of the following.

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Apply brake grease to contact areas shown in figure.

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Assemble return spring A under return spring B as shown at C in
figure.

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The orientation of adjuster is different from left to right. Assem-
ble the adjuster so that threaded part is expanded when rotating
it to direction shown by arrow. Contract adjuster to assemble.
When disassembling adjuster, apply brake grease to thread.

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Adjust parking brake pedal stroke to the specified amount.

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After replacing shoe or disc rotor, or if brake does not function
well, carry out break-in operation as follows.

SBR047C

SFIA0134E

SFIA0153E

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PARKING BRAKE SHOE

BREAKING IN DRUM AND LINING

CAUTION:

Do not carry out break-in procedure excessively, because it may cause the uneven wear or pre-mature
wear of lining.
When a new rotor/parking brake shoe is installed, or when braking performance is poor, perform the following
break-in procedure.

1.

Drive the unloaded vehicle on a safe, level and dry road.

2.

Depress parking brake pedal with a force of 147 N (15 kg, 33 lb).

3.

While depressing pedal, continue to drive vehicle for-ward100 m (328 ft) at approximately 35 km/h (22
MPH).

4.

Cool down parking brake for approx. Five minutes.

5.

After releasing pedal, drive vehicle under the normal conditions for two minutes to cool down parking
drum brake.

6.

Repeat steps 1 through 5 three times and then repeat only step 5 one more time.

7.

After the break-in procedure, check pedal stroke of parking brake. If it is out of the specification, adjust
again.

Inspection

EFS000O7

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Visually check lining for malfunction wear, damage, and peeling.

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Using a scale, check thickness of lining.

CAUTION:

If necessary, remove brake shoe, and check as follows.

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Check shoe sliding surface for malfunction wear and damage.

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Check anchor pin for malfunction wear and corrosion.

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Check return spring for sagging.

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Check adjuster for rough operation.

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Visually check the inside of drum for malfunction wear, damage,
and cracks. Using a pair of vernier calipers, check the inside of
drum.

Standard lining thickness

: 3.2 mm (0.126 in)

Lining wear limit (A)

: 1.5 mm (0.059 in)

Standard inner diameter

: 172.0 mm (6.77 in)

Maximum inner diameter

: 173.0 mm (6.81 in)

SBR021A

SBR768A

SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

PFP:00030

Parking Drum Brake 

EFS000GU

Parking Brake Control

EFS000NJ

Type

DS17HF

Brake lining

Standard thickness (new)

3.2 mm (0.126 in)

Wear limit thickness

1.5 mm (0.059 in)

Drum (disc)

Standard inner diameter (new)

172 mm (6.77 in)

Wear limit of inner diameter

173 mm (6.81 in)

Control type

Foot lever

Number of notches [under force of 196 N (20 kg, 44lb)]

4 - 5

Number of notches
when warning lamp switch comes on

1

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SERVICE DATA AND SPECIFICATIONS (SDS)