Grain Systems PNEG-526 - Manual (Page 33)

MAINTENANCE Tower Dryer Operations & Service
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LOCATION INSTRUCTIONS TYPE OF LUBRICATION
LUBRICATION INTERVAL
Metering drum drive
shaft bearing (On
GSI hopper bottom
dryers only).
Lubricate slowly until lube
shows through seal. Wipe
clean.
High quality; grade #2
lithium based grease. Beginning of season
(annually).
Accutrol (sweep unload)
top and bottom drive
bearings. (On
Zimmerman flat bottom
dryers only).
Lubricate slowly until lube
shows through seal. Wipe
clean. High quality; grade #2
lithium based grease. Beginning of season
(annually).
Accutrol (sweep unload)
coupling hub. (On Zim-
merman Dryers). Remove the two lube plugs
from the cover. Lubricate
slowly until grease begins
seeping through relief plug. High quality; grade #2
lithium based grease. Beginning of season
(annually).
Blower shaft bearings.
(Both GSI and
Zimmerman Dryers). Lubricate bottom bearing
plug slowly counting the
grease gun pump until lube
shows through the seal.
Wipe clean. Use same # of
grease gun pumps for top
bearing. High quality, grade #2
lithium based grease. Every 4 weeks of dryer
operation.
Blower motor bearings
(Both GSI and
Zimmerman Dryers) See motor lubrication
procedure below High quality, grade #2
lithium based grease Every 2 years (Normal op-
eration, ever 8-10 months
continuous operation).
Metering variable speed
drive motor (Both GSI
and Zimmerman Dry
ers) See motor lubrication
procedure below High quality, grade #2
lithium based grease Every 2 years (Normal op-
eration, ever 8-10 months
continuous operation).
12’ Diameter Accutrol
gearbox (12’ diameter
sweep unload gearbox)
(Zimmerman Dryers
only) Grease filled gearbox. Re-
plenish grease to the first
1st stage (upper) reduction
mechanism through grease
fitting provided (typically
quantity= 0.3 oz. of grease High quality, grade #2
lithium based grease Beginning of season
(annually). (Change grease
in box every 3-5 years)
18’ & 24’ Diameter
Accutrol gearbox (18’
and 24’ diameter sweep
unload gearbox Zimmer-
man Dryers only). Oil filled gearbox w/ oil
pump. Maintain oil level to
upper red line on oil level
gauge. ISO VG 100 to 150 min-
eral-based oil. AGMA Vi-
scosity Grade 3EP to 4EP.
(Mobilgear 627, 629 or
equivalent). Beginning of season.
(Change every 2 years).
Metering drum gearbox.
(On GSI hopper bottom
dryers only) Fill to check plug. ISO VG 220 mineral-based
oil. AGMA Viscos-ity
Grade 5EP. (Mobilgear
630 or equivalent). Beginning of season.
(Change every 10,000
hours or 2 years).
LUBRICATION TABLE
Lubrication of motors - Operate motor for 20 minutes. Clean grease fitting. Remove grease relief plug and
using a low pressure grease gun, pump in the required grease. After relubricating, allow motor to run for 10
minutes before replacing relief hardware. Do NOT overgrease!
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