SSR 50-450 CHANGE RATED PRESSURE
(Setting the Controller Pressure Range)
1. “Ready to start” in display window.
2. Press Set.
3. Press Unload and ON/OFF Line buttons twice at the same time.
4. The controller pressure will display in the window, plus a red up and down
arrow will appear under the set button.
5. Use the red arrows to change the pressure range.
6. Press Set to enter the new pressure range. The window display will blink
three times.
7. Press one of the display select arrows to return to “Ready to Start”.
INLET VALVE KITS 125-200 HORSEPOWER
All compressors built after July 16, 1990 have the new resilient mounted inlet
valve assembly. We have listed below a description of the proper inlet valve kit
to purchase depending on the date of manufacture and what the customer is
wanting to replace.
1. If the compressor was built prior to July 16, 1990 and the customer is
needing to replace the inlet valve he should order 39679261. This kit
includes the new style inlet valve and all required parts to modify the
compressor to a resilient mounted inlet valve. If the customer orders part
number 39675863 which is the kit number in the parts book he will receive
the above kit.
2. If the compressor was built after July 16, 1990 the customer should order
39679253 which includes only the new style inlet valve, coupling and a
replacement bottom gasket for the inlet valve.
3. If the customer has a machine built prior to July 16, 1990 and he wants
to convert to resilient mounting using the old style valve he should order
field kit number 39677547.
The parts book will eventually be updated to reflect the inlet valve assembly
number 39679253. If you need any additional information please let us know.
INLET VALVE ISOLATION FIELD RETROFIT KIT
SAFETY
Insure that compressor is isolated from compressed air system by
closing isolation valve and bleeding pressure from drip leg.
Insure that main power disconnect switch is locked open and tagged.
-57-
-58-
INSTRUCTIONS:
1. Remove inlet air filter assembly located on top of the inlet valve.
2. Remove and discard blowdown tube between separator tank and fitting
“A". Sever any tie wraps that may be attached to tube.
3. Remove and discard the four metric socket head bolts that mount inlet
valve. Use a 17mm hex socket wrench. Lift inlet valve and discard
gasket beneath. Replace with new isolation gasket (Item 1).
4. Replace inlet valve using new retrofit parts: Bolts (Item 2), flat washers
(Item 3) and bolt isolator gaskets (Item 4). Use 17mm hex socket wrench.
5. Replace blowdown tube with new retrofit parts: Hose (Item 5), tube union
(Item 6) and tube (Item 7).
6. Re-install old air filter assembly.
ITEM
NO I-R PART NO QTY DESCRIPTION
1 39483144 1 Gasket, Isolation
2 39181607 4 Bolt, special metric
3 95081618 4 Washer, Flat
4 39483169 4 Gasket, Bolt Isolation
5 39120944 1 Hose, .75 x 12" Lg
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