Service guide for all portalbe dryers – Grain Systems PNEG-573 User Manual

Page 51

SERVICE GUIDE FOR ALL PORTALBE DRYERS

SUGGESTED LUBRICANTS

Insulation Class

A & B

F & H

Consistency

Medium

Type

Polyurea

Grease

Shell Dolium R

Frame Type

215T & Smaller

254 & Larger

All

Note: All of the auger

auger

auger and meter-

meter-

ing roll bearings

ing roll bearings are lifetime lubri-
cated and do not require service
relubrication.

1. Remove and CLEAN the gas

gas

line strainers

line strainers. Make certain
gas valves

gas valves

gas valves are CLOSED and that
gas is purged from the system be
fore attempting disassembly.

2. Inspect the collector plate

collector plate

collector plate at

the top of the burner casting
and the burner cup

burner cup

burner cup for any ac-

cumulation of foreign material.
CLEAN if required. Foreign ma-
terial in the burner cup or cast
ing will not burn out and will im-
pair burner operation.

3. If required, inspect ignitor plug

ignitor plug

and CLEAN the electrodes

electrodes

electrodes.

Use an ignition point file to re-
move carbon and rust between
the electrode surfaces

electrode surfaces

electrode surfaces. Igni-

Igni-

tor gap

tor gap should be about1/8 inch.

Note: Do not allow high moisture ma-
terial to collect within the trough area.
It may adversely affect metal parts.

8. Inspect entire dryer for loose,

worn or damaged parts. Include
check of auger flighting, me-

auger flighting, me-

tering rolls

tering rolls and other internal
parts. Check that temperature

temperature

sensors

sensors within air plenum
chamber are secured within in-
sulated clamps, and do not
chafe on other metal parts.

9. Make sure all dryer guards

dryer guards

dryer guards and

warning decals

warning decals are securely in-
stalled. Make certain guards do
not interfere with moving parts.
If guards or warning decals are
missing, contact your dealer for
a free replacement.

10. TEST FIRE the dryer

dryer

dryer several

weeks ahead of the drying sea-
son. CHECK for possible gas

gas

gas leaks.

See page 26 for burner test fire.

Bottom Auger Drive

4. Inspect flame sensors

flame sensors

flame sensors for

possible damage or poor con
nections. Flame sensor wires

Flame sensor wires

must be in good condition.

5. Inspect and manually ROTATE

the top auger paddle assem

top auger paddle assem

bly

bly. The paddle unit must rotate
freely without any indication of
sticking or binding.

6. Inspect the top auger

top auger

top auger and bot-

bot-

tom auger drive lines

tom auger drive lines for proper
adjustment and condition. Read-
just line tension as required.

Note: All auger

auger

auger and metering roll

metering roll

bearings

bearings are lifetime lubricated and
do not require service relubrication.

7. OPERATE dryer cleanout le-

cleanout le-

vers

vers, and CHECK cleanout

cleanout

hatch

hatch mechanism for proper op-
eration. With hatch open, in-
spect and remove any dirt, fines
or foreign material from the bot-

bot-

tom auger trough

tom auger trough area.