28
Pellerin Milnor Corporation
BNWUUM03 / 2020125
BNWUUM03
0000277540
A.7
3/19/20 8:51 AM
Released
Disk Brake Maintenance
BNWUUM03.C01 0000277539 A.3 A.7 A.2 2/27/20 1:48 PM Released
NOTICE:
"Remove power from the machine" means use the necessary safety procedure
for your location. In the USA, this is the OSHA lockout/tagout (LOTO) procedure. More
local requirements can also apply.
You can do these types of maintenance on the disk brake:
•
do an inspection of the brake as specified in the maintenance schedule,
•
replace the friction pads,
•
do an overhaul on the calipers,
•
replace the hydraulic fluid,
•
adjust the connection between the brake cylinder and the air cylinder.
For the first four types of maintenance, you must remove air from (bleed) the hydraulic circuit.
: Operation of Brake Systems, page 38
tells how to operate the disk brakes. You can use it in
some of the types of maintenance in this procedure.
WARNING:
Risk of injury or death —
A machine in operation without safety guards
is dangerous.
�
You must be an approved maintenance technician.
�
Use special caution when this instruction tells you to do work with
electrical power on. Remove power from the machine for all other mainte-
nance. Obey safety codes.
�
Replace all guards and covers.
TIP:
During parts of this procedure when you open up the calipers or hydraulic lines,
put a cloth under the calipers to catch hydraulic fluid and parts that will fall. For safety,
fully remove spilled hydraulic fluid after brake maintenance. This will help you easily
identify leaks.
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