Nexen BCB-275 826001 - Manual (Page 8)

5 FORM NO. L-20106-E-1209
OPERATION
TROUBLESHOOTING
Size Max RPM
BCB-275 3,600
TABLE 1
WARNING
Never exceed maximum operating speeds
listed for your product (See Table 1).
WARNING
Ensure proper guarding of the product is
used. Nexen recommends the machine
builder design guarding in compliance
with OSHA 29 CFR 1910 “Occupa-
tional Safety and Health Hazards.”
The temperature limits for this product line
are 4.5º - 104º C (40º-220º F).
CAUTION
CAUTION
Never exceed life of facing material. Facing
life depends on the volume of material and
the total energy over the life of the unit.
Expected life (in hrs) can be found by:
Time=
Volume /
(Power • Wear Rate)
FIGURE 3 TYPICAL BCB-275
Ball
Bearing
Hub
Hub
Collar
Cylinder
Friction Facing/
Drive Disc Assembly
Air to
Brake
Air to
Clutch
O-Ring
Seals
Air Chamber
Housing
Ball
Bearings
Piston
Problem Probable Cause Solution
Failure to engage Air not getting to the BCB-275 due to a
control malfunction. Check for a control valve malfunction and replace
the control valve if necessary.
Air leaks at the air lines or O-ring Seals. Replace the air lines and/or O-ring Seals.
Failure to disengage Unexhausted air due to a control valve
malfunction. Check for a control valve malfunction and replace
the control valve if necessary.
Air leaks at the air lines or O-ring Seals. Replace the air lines and/or O-ring Seals.
Loss of torque Air leaks at the air lines or O-ring Seals. Replace the air lines and/or O-ring Seals.
Worn Friction Facing / Drive Disc Assembly Replace Friction Facing / Drive Disc Assembly