PS Magazine - TB 43-PS-617
PS, The Preventative Maintenance Monthly
ISSUE 617
APRIL 2004
PS 617
APR 04
20
Brake Pad Sensor Wire
The brake indicator light on the excavator’s dashboard lets you know when:
•
brake fluid in the reservoir is low.
•
the parking brake is ON.
•
the vehicle’s front brake pads are worn.
Problem is, the pads can be worn down dangerously close to the brake disks and
you won’t even know it.
That’s because the brake pad sensor wire may get damaged or torn off where it
mounts into the brake pad. A busted wire means there’s a disconnect between the
sensor and the indicator light. Now the indicator can’t tell the brake pads are worn.
You’re in the dark if the brake pads are worn out—and that’s no good!
So eyeball the brake pad sensor wiring where it mounts into the brake pad. If the
line looks damaged, torn or dangling, report it.
SEE…
What
.
s Down Under?
C
onstruction operations in
heavy brush and rocky terrain
can do a lot of damage to the
excavator’s undercarriage.
That means you have to get
down on your hands and knees
before the day’s run and take a
look at what’s down under.
Parking Brake Cable
The parking brake cable mounts right behind the excavator’s rear axle.
Bouncing around in the rough stuff
can rip or tear off the cable’s rubber
boot. The boot protects the cable’s
threaded adjustment rod from mud,
dirt, flying stones and corrosion.
Grab the boot and look for any
tears. A torn or damaged boot means it
needs to be replaced by your mechan-
ic. He’ll order a new boot on a DD
Form 1348-6 with CAGE 64678 and
PN 000 427 02 96 using RIC S9C.
Check for tears in rubber boot
Brake line indicator light won’t light…
…if a brake indicator line is torn off
what’s down
under is doing
a number on
my excavator!
Here are
two hot
spots
to
keep in
mind…
617. 20-21 (C)
2/28/04
11:30 AM
Page 1
Click here for a copy of these pages to email to a friend
Back to TopBack to Top
