Nexen 4K Hinge Top 845100 - Manual (Page 7)

4 FORM NO. L-20014-L-0210
OPERATION
TROUBLESHOOTING
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)
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.”
TABLE 1 Maximum Operating Speeds
Model RPM
4K HT Brake 5500
8K HT Brake 2700
12K HT Brake 1800
WARNING
The temperature limits for this product line
are 4.5º - 104º C (40º-220º F). Never exceed maximum operating speeds
listed for your product (See Table 1).
Symptom Probable Cause Solution
Failure to Engage
Ruptured Diaphragm Replace the Diaphragm.
Faulty air controls Check the air controls for proper operation.
Failure to Disengage
Faulty or damaged Guide Rod Compres-
sion Springs
Replace the Guide Rod Compression Springs.
Faulty or damaged Push Plate Spring Replace the Push Plate Spring.
Faulty air controls Check the air controls for proper operation.
Diaphragm Brake Slippage
Foreign material on the Optional Brake
Drum or on the shaft
Clean the Optional Brake Drum or shaft.
Foreign material on the Friction Facings Replace the Friction Facings.
Diaphragm Brake working outside its
torque and heat dissipating range.
Check the application.
Fixed Shoe
Sliding Shoe
Detent Pin
Link Pin
Pin
Friction
Facing Compression Spring
Guide Rod
Self Centering Bracket
Base Bar
Housing Top
Housing Bottom
Jam Nut
Washer
Diaphragm
Push Plate
Compression Spring
Push Rod
Sleeve Bearing
FIGURE 3