Page 511 - Foton Workshop Manual - Auman EST-M

Diagnosis - Mechanical fault diagnosis DI - 457

Failure phenomenon Possible reason Failure elimination IN

1. Spring air chamber (failure) or control
Braking cannot be released Check and eliminate one by one DI
line (leaky) or manual valve (failure)

Use the exhaust brake of engine to reach
1. Frequently use brake
the purpose EG

2. Driving operation (inappropriate) Use the brake evenly
TR
3. The clearance of brake (too small) Adjust the brake clearance

Breaking weak/braking drum burning
4. Braking drum (deformed) Boring brake drum
AX
hot
5. The return spring of brake shoe
Replace the reset spring
(loosened, fractured) FR
Remove the brake device, polish the pin
6. Front braking shoe (stuck due to
shaft of brake shoe, copper bush, and ST
rusting)
add proper amout of lithium base grease

BR

BW

EL

DI-457