ALLIANCE JT37CGI Service Manual Page 92
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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M411429 95
Section 6 Adjustments
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
116. AIRFLOW SWITCH
Refer to Figure 42.
IMPORTANT: Airflow switch disc must remain
closed during operation. If it opens during the
drying cycle, insufficient airflow through the
tumbler is indicated. If switch remains open, or
pops open and closed during the cycle, the heating
system will shut off. The cylinder and fan will
continue to operate even though the airflow switch
is malfunctioning.
The airflow switch is set at the factory for proper
operation. However, at installation, and following
repairs, the airflow switch operation should be
checked. The airflow switch operation is
controlled by the counterweight position on the
shaft. Moving the counterweight changes airflow
switch sensitivity. The counterweight should be
adjusted so the airflow will force the disc away
from the cabinet when the lint panel is opened 1-
1/2 inches (38 mm). Adjust the airflow switch as
follows:
a. Load the tumbler with a 50 pound dry cotton
load.
NOTE: Airflow adjustment is much faster with one
person opening lint panel in front and another
adjusting the counterweight in the rear of tumbler.
b. Start the tumbler. Open the lint panel 1-1/2
inches (38 mm). The airflow disc should move
away from the cabinet, opening the switch
contacts and shutting off the heat system. This
indicates proper operation and proper
adjustment.
c. If switch is not opening as described in step “b”,
it should be adjusted so it is MORE sensitive.
Depress the spring clip and move
counterweight a small amount toward disc.
Retest by opening lint panel and continue
moving counterweight toward disc until switch
operates as described in step “b”.
d. If switch opens BEFORE lint panel is opened
the proper distance, in step “b”, it should be
adjusted so it is LESS sensitive. Depress the
spring clip and move counterweight a small
amount away from the disc. Retest by opening
lint panel and continue moving counterweight
away from disc until switch operates as
described in step “b”.
Airflow switch operation may be affected by
a clogged lint screen, lack of make-up air, or
by obstructions in the vertical recirculation
stack, or in the customer installed main or
collector ducts. These conditions MUST be
checked and necessary corrections made
before adjusting airflow switch. Always
check airflow at installation. Under no
circumstances is the airflow switch to be
blocked closed or bypassed.
W277
WARNING
- Drying Tumblers 1
- Table of Contents 2
- Section 4 –Grounding 3
- Section 5 –Service Procedures 3
- Section 6 –Adjustments 3
- Section 1 4
- Safety Information 4
- 4 M411429 5
- Section 2 6
- Introduction 6
- Customer Service 7
- Serial Plate Location 7
- Safety Warnings and Decals 8
- How A Tumbler Works 9
- Energy Saver Models 10
- Section 3 11
- Troubleshooting 11
- 12 M411429 12
- POSSIBLE CAUSE TO CORRECT 12
- 14 M411429 14
- 16 M411429 16
- 18 M411429 18
- 20 M411429 20
- 22 M411429 22
- Section 3 Troubleshooting 23
- 24 M411429 24
- 26 M411429 26
- 28 M411429 28
- Section 4 50
- Grounding 50
- Section 5 51
- Service Procedures 51
- 54 M411429 52
- Figure 1 52
- Figure 2 53
- 56 M411429 54
- Figure 3 54
- MANUAL TIMER 54
- Figure 4 55
- Figure 5 55
- 58 M411429 56
- Figure 6 56
- Figure 7 56
- Figure 8 57
- Figure 9 57
- 60 M411429 58
- Figure 10 58
- Figure 11 59
- 62 M411429 60
- Figure 12 60
- Figure 13 61
- 64 M411429 62
- Figure 14 63
- 66 M411429 64
- Section 5 Service Procedures 65
- 68 M411429 66
- Figure 15 66
- Figure 16 67
- ELECTRIC HEATER 67
- 70 M411429 68
- Figure 17 68
- Figure 18 69
- 72 M411429 70
- Figure 19 70
- Figure 20 70
- Figure 21 71
- ALTERNATE STYLEREGULAR STYLE 71
- 74 M411429 72
- Figure 22 72
- Figure 23 72
- NEWER MODELS OLDER MODELS 73
- 76 M411429 74
- Figure 25 74
- Figure 26 74
- Figure 27 75
- NEWER MODELS 76
- Figure 29 77
- 80 M411429 78
- Figure 30 78
- BELT/CHAIN NONREVERSING 78
- 82 M411429 80
- Figure 31 80
- Figure 32 81
- Figure 33 81
- 84 M411429 82
- Figure 34 82
- Figure 35 83
- 86 M411429 84
- Figure 36 84
- Figure 37 85
- 88 M411429 86
- Figure 38 87
- 90 M411429 88
- Figure 39 89
- REVERSING CONTROL ASSEMBLY 89
- Adjustments 90
- Section 6 90
- INSUFFICIENT 91
- NO AIRFLOW 91
- Section 6 Adjustments 92
- 96 M411429 93
- Figure 42 93
- Figure 43 94
- Figure 44 94
- 98 M411429 95
- BELT DRIVE 96
- BELT/BELT REVERSING 97
- REVERSING 99
- Figure 48 100
- BELT/CHAIN 101
- NONREVERSING 101
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