7. Service
PNEG-552 100 Series Dryer 35
Suggested Lubricants
NOTE: All of the auger and metering roll bearings are lifetime lubricated and do not require
service relubrication.
Lubrication Procedures
If the motor is equipped with an alemite fitting, clean the tip of the fitting and apply grease with a grease
gun. Use 1 or 2 full strokes on motors in NEMA 215 frame and smaller. Use 2 to 3 strokes on NEMA 254
through NEMA 365 frame. Use 3 to 4 strokes on NEMA 404 frames and larger. On motors having drain
plugs, remove drain plug and operate motor for 20 minutes before replacing drain plug. On motors
equipped with slotted head grease screw, remove screw and apply grease tube to hole. Insert 2" to 3"
length of grease string into each hole on motors in NEMA 215 frame and smaller. Insert 3" to 5" length on
larger motors. On motors having grease drain plugs, remove plug and operate motor for 20 minutes before
replacing drain plug.
Suggested Lubricants
NOTE:
All of the auger and metering roll bearings are lifetime lubricated and do not require
service relubrication.
Additional Checks
1. Remove and clean the gas line strainers. Make certain gas valves are closed and that gas is purged
from the system before attempting disassembly.
2. If required, inspect ignitor plug and clean the electrodes. Use an ignition point file to remove
carbon and rust between the electrode surfaces. Ignitor gap should be about 1/8''.
3. Inspect flame sensor for possible damage or poor connections. Flame sensor wire must be in
good condition.
4. Inspect and manually rotate the top auger paddle assembly. The paddle unit must rotate freely
without any indication of sticking or binding.
5. Inspect the top auger and bottom auger drive lines for proper adjustment and condition.
Readjust line tension as required.
Insulation Class Consistency Type Grease Frame Type
A and B Medium Polyurea Shell Dolium R 215T and Smaller
A and B Mediu m Polyurea Shell Dolium R 254 and Larger
F and H Medium Polyurea Shell Dolium R All
Insulation Class Consistency Type Grease Frame Type
A and B Medium Polyurea Shell Dolium R 215T and Smaller
A and B Medium Polyurea Shell Dolium R 254 and Larger
F and H Medium Polyurea Shell Dolium R All