Grain-systems PNEG-526 User Manual Page 121
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- Table of contents
- TROUBLESHOOTING
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m
CORPORATION
MUNCIE, INDIANA, USA
INDUSTRIAL COMBUSTION EQUIPMENT AND VALVES
Maxon practices a policy of continuous product improvement. It reserves the right to alter specifications without prior notice.
Auxiliary Signal Switches
Fie
ld Installation Instructions
NOTE: Instructions below are written for normally
closed valves. For
normally open versions (STO-
M, STO-A, Fig. 1 & 2), reverse switch nomencla-
ture. (VOS becomes VCS and vice versa.)
General: Shut off fuel supply upstream of valve, then
de-energize valve electrically.
– Remove top or side cover to provide access, being
careful not to damage gasket.
– Compare with illustrations at right to identify YOUR
valve type.
To replace existing switches:
– Note wand position and mounting hole location
carefully, then remove 2 screws and lift existing switch.
– Install replacement switch in same mounting holes on
bracket and verify correct wand position.
– Replace existing wiring one connection at a time,
following original route and placement.
To add switches to existing valve:
– Check illustrations at right. If your valve uses a switch
mounting bracket as in Fig. 1 & 2, mount switches to
bracket using the mounting holes appropriate for valve
type and size.
– Position bracket so VCS wand just touches top of
actuator, then move downward slightly, depressing
wand until switch clicks, then tighten mounting screws
to hold this position.
– Pin bracket by drilling 1/8" dia. holes 1/4" deep into
bracket mounting pad through drive pin holes, then tap
drive pin in until flush.
– Route wires to wiring compartment as shown, then
complete wiring connections and clean out metal
drilling chips from previous procedure.
– Cycle valve, checking switch actuation points carefully.
(VCS actuates at top of stem stroke, VOS at bottom.)
Simultaneously the valve body must be tested for
switch continuity and seat leakage. Bend VOS switch
wands slightly if necessary to insure valve is opening
fully.
– Replace gasket and cover, then return valve to
service.
Fig. 1
.75" – 3"
non-CP
Rem
ove
side cover plate.
Switches mount
on bracket. (See
"A" below)
Fig. 2
2.5" – 4" -CP
6"
808
Remove
side cover plate.
Switches mount
on bracket. (See
"B" below)
1/00
Page 6100-S-7Ele
ctro-Mechanical Valves
Fig. 3
4" – 6" 7000
Remove 2-piece top cover.
Switches mount on support
stand.
Fig. 4
.375" – .75" 8700
Remove top cover.
S
witches mount on actuator
frame
VOS switch
on front
VOS switch wand
should be actuated
from above.
VCS switch wand
should be actuated
from below.
Oil SOV &
2"-6" Gas
Bracket
Mounting
Slots
Drive
Pins
VCS switch mounts
on back of bracket
VOS switch
on front
1-1/2"
3/4", 1"
1-1/4"
A
For 1", 1.25" C.I.
& 2", 3" non-CP
Wand Position Mounting Brackets
3",4",6"(-2)
3",4",6"(-2)
2-1/2"(-2)
2-1/2"(-1)
VCS Switch
on back
Bracket
Mounting
Holes
B
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NCCOM
#1 BLACK TO
#3 BLACK TO
BLACK TO MOTOR
TERMINAL #1
TERMINAL #3
NO
1
2
12 11 10 9 8 7 6 5 4 3 2 1
TO CLUTCH
SHUT
- Tower Dryer 1
- SAFETY GUIDELINES 7
- SAFETY FIRST 8
- READ THESE INSTRUCTIONS 9
- BEFORE OPERATION AND SERVICE 9
- SAVE FOR FUTURE REFERENCE 9
- SAFETY PRECAUTIONS 9
- INSTALLATION REQUIREMENTS 10
- Electrical 10
- DRYER CONTROL PANEL 11
- DRYER START UP 13
- OR UNLOAD RATE 14
- Moisture 18
- Controller 18
- Optional Tri-Point 18
- I. Main Screen 19
- II. Set-Up of the Controller 20
- III. Operation Procedure 21
- IV. How the Controller Works 22
- V. Alarms 23
- VI. Access Drying History 24
- PRE-SEASONAL INSPECTION AND 31
- SEASONAL INSPECTION AND 32
- LUBRICATION TABLE 33
- TROUBLE 37
- SHOOTING 37
- TROUBLESHOOTING – BURNER 38
- TROUBLESHOOTING 39
- 36 45
- 37 46
- 38 47
- 39 48
- 40 49
- 41 50
- 42 51
- ELECTRICAL 52
- DIAGRAMS 52
- THE GSI GROUP 65
- COMPONENT MANUALS 79
- PowerFlex 4 Adjustable 81
- Frequency AC Drive 81
- Mounting Considerations 82
- CE Conformity 82
- English-3 83
- English-4 84
- English-5 85
- Prepare For Drive Start-Up 86
- English-7 87
- English-8 88
- English-9 89
- English-10 90
- English-11 91
- CO Emissions Profile 94
- AIRFLO® Burner 95
- Pilot Gas Train 96
- Start-Up Instructions 99
- Page 5550-S-4 100
- Series NP-LE AIRFLO 100
- Series NP-LE AIRFLO 101
- Burners 101
- Page 5550-S-5 101
- Page 5550-S-6 102
- NP-1-LE-AL 103
- NP-1-LE-AL-SS 104
- Page 5550-S-9 105
- Fastener Kits 106
- Maintenance Instructions 107
- CORPORATION 108
- COMPONENTS 109
- Flow Control Valves 110
- Installation Instructions 111
- Adjusting Instructions 112
- Top Assembly Rotation 117
- “AW” “TO” 118
- Operating Instructions 119
- Page 6100-S-7Ele 121
- Electrical Data 122
- .375" – .75" 122
- Series 8730, 8760 122
- Page 6100-S-9Ele 123
- Normally Open Valves 123
- Tandem Arrangements 124
- 2.31 dia 125
- GEARBOXES 128
- Shaft Mount Gearboxes 129
- INSTALLATION OF UNIT 130
- WARNING: 132
- “Lubed for Life” 133
- MAINTENANCE 134
- 135
- PARTS LIST 136
- TROUBLE SHOOTING 137
- SM-CYCLOB 138
- SPEED REDUCERS 138
- Mounting 139
- GENERAL CONSTRUCTION 140
- .......< 142
- Fr:n:ed 143
- ' 144
- LUBRICATION 145
- Slow Speed Shaft Bearing 148
- High Speed Shaft Bearing 148
- BEARINGS 149
- SEALS, GASKETS 149
- Intermediate Shaft Bearing 150
- 120x.155~16 150
- Disassembly 151
- Assembly 151
- "B" 152
- @' 153
- TROUBLESHOOTING AND REPAIR 154
- Series 72 156
- Modutrol IV™ Motors 156
- ORDERING INFORMATION 157
- SPECIFICATIONS 157
- SPRING RETURN MODEL SHOWN 158
- 63-2202—44 159
- INSTALLATION 160
- Adapter Bracket 161
- Damper Linkages 161
- Valve Linkages 161
- Junction Box 161
- NON-SPRING RETURN 162
- SPRING RETURN 162
- 63-2202—48 163
- SERIES 72 MODUTROL IV™ MOTORS 164
- SETTINGS AND ADJUSTMENTS 165
- Auxiliary Switch Adjustment 166
- OPERATION AND CHECKOUT 167
- Model 121 169
- Regulators 169
- To Change Spring 170
- Shutdown 170
- Set Point Adjustment 170
- " x 171
- " not available 171
- Differential Regulator 172
- Back Pressure 173
- Condensed Parts List 1 174
- ", 2" and 2 174
- To Service Valve (15) 175
- To Service Orifice (19) 175
- 1" NPT Vent 176
- " NPT Control 176
- 3" and 4" Model 121 177
- 4" Model 121 only 177
- 3" Model 121 only 177
- Gas Regulators 179
- MONITOR REGULATORS AND 180
- EXTERNAL CONTROL LINES 180
- USE WITH OTHER GASES 180
- GENERAL INSPECTION AND 180
- SERVICE INSTRUCTIONS 180
- Page 2 of 2 Form No.V5495R4 183
- F (-40 C) 184
- (See Figure 1) 185
- Torque Chart 186
- "C" 189
- Representative 189
- AIRPRESS.SWS. 190
- (revised July 2009) 191
- Copyright © 2011by GSI Group 192
- Printed in the USA 192
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