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22 JLA Limited 113376-4
Lubrication
The fan shaft bearings and all the tumbler drive shaft and
idler shaft bearings must be lubricated every 3 months. Use
a #2 grease or its equivalent. Lubrication is necessary or
premature bearing failure will be the result. The motor
bearings are permanently lubricated and do not require to
be serviced.
Manual Reset
Burner Hi-Limit Instructions _________
Phase 7
This dryer was manufactured with a manual reset burner
hi-limit thermostat, which is monitored by the Phase 7
computer. If the burner hi-limit is open prior to the start of
the drying cycle, the dryer will start momentarily and then
shut down, the Phase 7 computer will display “burner HIGH
LIMIT fault” with an audio indication.
If the burner hi-limit opens during a drying cycle, the Phase 7
computer will also display the same error code described
above, along with an audio indication. If the drum temperature
is above 100° F (38° C), the dryer will continue to run with no
heat for 3 minutes or until the drum temperature has dropped
below 100° F (38° C). The clear/stop button on the Phase 7
keypad must be pressed to clear the error condition. The
open burner hi-limit must be reset “manually” prior to the start
of the next cycle.
Dual Timer
This dryer was manufactured with a manual reset burner
hi-limit thermostat. If the burner hi-limit is open prior to the
start of the drying cycle, or during the cycle, the dryer will not
recognize the open state of the burner hi-limit and will start
or continue through the drying cycle with no heat. Manual
reset hi-limit must be reset manually.
This hi-temperature condition may be caused due to a
restricted exhaust, poor airflow, or improper burner operation.
The location of the burner hi-limit is on the right side of the
burner box, looking at the burner from the back of the dryer.
Warning
Discontinue power to dryer before attempting to
reset hi-limit.
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90 Days
Remove lint from around tumbler, drive motors, and
surrounding areas. Remove lint from the gas valve burner
area with a dusting brush or vacuum cleaner attachment.
Blower motor impellor (fan) shaft bearings should be
lubricated using Shell Alvania grease NLGI 2 or its equivalent.
Generically, this grease would be described as an NLGI grade
2 multipurpose industrial grease with a lithium thickener and
mineral base oil.
Check to make sure that the setscrews on the impellor/fan
shaft bearings are tight.
Note
To prevent damage, avoid cleaning and/or
touching the Direct Spark Ignitor.
Remove lint accumulation from inside.
6 Months
Inspect and remove lint accumulation in customer furnished
exhaust ductwork system and from dryer’s internal exhaust
ducting.
Note
The accumulation of lint in the exhaust ductwork
can create a potential fire hazard.
Do not obstruct the flow of combustion and ventilation air.
Check customer furnished back draft dampers in the
exhaust ductwork. Inspect and remove any lint
accumulation, which can cause the damper to bind or
stick.
A back draft damper that is sticking partially closed can
result in slow drying and shutdown of the heat circuit safety
switches or thermostats.
When cleaning the dryer cabinet(s), avoid using harsh
abrasives. A product intended for the cleaning of
appliances is recommended.
Check all V-belts for tightness and wear. Retighten, realign,
or replace if required.
Note
V-belts should be replaced in matched sets
(pairs).
Adjustments
7 Days After Installation
and Every 6 Months Thereafter
Inspect bolts, nuts, screws, setscrews, grounding connections
and nonpermanent gas connections (unions, shutoff valves,
and orifices). Blower motor impellor (fan) V-belts, along with
the motor and drive belts should be examined and replaced
if necessary. Tighten loose V-belts when necessary.
Complete operational check of controls and valves. Complete
operational check of all safety devices (door switches, lint
drawer switch, sail switch, burner, and hi-limit thermostats).
Note
Squirrel cage type fan (impellor) on the blower
motor must be inspected and cleaned every 6
months.