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If the procedure outlined in Section V (MAINTENANCE) 
fails to restore proper operation, it is recommended that the 
relay be returned to the factory for repair due to the critical 
orientation of the components.  Contact the factory or a factory 
representative for instructions on returning the relay. 
 
If the relay is to be repaired in the field the order in which the 
plates and gaskets were assembled, and the orientation of those 
parts, must be noted so that they may be reassembled correctly.  
Repair kits are available as specified below. 
 
To repair the relay, disassemble the relay as shown in Figure 4 
(except as noted) and follow the instructions below: 

 

1.  Inspect air passages for dirt. 
2.  Inspect the Valve (18) surfaces for bumps, scars or other 

irregularities.  The Hemispherical Surfaces  (C in Figure 
3) must be smooth and regular. 

3.  Inspect the Valve Seats (A and B in Figure 3).  The 

surfaces must be clean and smooth with no scars or 
surface irregularities. 

4.  Inspect Diaphragms (29 for holes or worn spots which 

might permit air leakage. 

5.  Install the Valve (18), Valve Spring (19) and Spring 

Retainer (20) and make sure that the Valve Spring (19) is 
seating the Valve (18) properly. 

6.  Replace any worn or defective parts and reassemble the 

relay. 

 
DO NOT USE ANY GASKET SHELLAC, PIPE 
COMPOUND, OR OTHER SEALANT. 
 
7.  With Supply and Input air pressures connected, check the 

unit for external leakage. 

8.  Follow procedure in Section IV (ADJUSTMENTS). 
 
CAUTION:  If cleaning is required, do not subject the 
Diaphragms or Gaskets to cleaning fluids or solvents. 
 
 
 

REPAIR KITS 

RELAY 

MODEL NO. 

REPAIR KIT 

PART 

NUMBER 

CR-103-A2 083405B0006 
CR-103-A3 083405B0005 
CR-103-A4 083405B0004 
CR-103-A5 083405B0003 
CR-103-A6 083405B0002 
CR-103-A7 083405B0001 

 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

SECTION VI - REPAIR

Figure 4 

Содержание CR-103-A Series

Страница 1: ...172 Rev A Note to installer Before installing read instructions carefully and record model number After installing give this manual to operating personnel or see that it is filed for future reference 1602 Mustang Drive Maryville Tennessee 37801 Phone 865 981 3100 Fax 865 981 3168 ...

Страница 2: ...2 NOTES ...

Страница 3: ...sig 1 2 bar divided by the number of input signals OVERLOAD PROTECTION 100 psig 7 bar will not damage unit AMBIENT TEMPERATURE LIMITS 40 F to 180 F 40 C to 82 C CONNECTIONS 1 4 female NPT for input output and supply WEIGHT 2 input signals 2 lb 0 91 kg 7 input signals 3 5 lb 1 59 kg C PERFORMANCE DATA ULTIMATE SENSITIVITY 0 1 of full range LINEARITY 1 of full range HYSTERESIS Less than 1 of full ra...

Страница 4: ...he air lines If more secure mounting is desired use the mounting bracket furnished as shown in Figure 1 Use two 1 4 bolts toggle bolts or wood screws as required by the installation Bracket may be removed or inverted by removing two lock nuts C CONNECTIONS The input supply and output ports are 1 4 female NPT Make the air connections to the proper ports as shown in Figure 1 The air supply must be c...

Страница 5: ...s be dirty it may be necessary to clean the surfaces of the Valve 18 and the Valve Seats A and B If continued difficulty is experienced from dirt moisture oil etc suitable filters should be provided in the supply lines If the control pressure does not go to minimum output pressure or zero or if the exhaust appears to be leaking follow the instructions below refer to Figure 3 except as noted 1 Remo...

Страница 6: ...pherical Surfaces C in Figure 3 must be smooth and regular 3 Inspect the Valve Seats A and B in Figure 3 The surfaces must be clean and smooth with no scars or surface irregularities 4 Inspect Diaphragms 29 for holes or worn spots which might permit air leakage 5 Install the Valve 18 Valve Spring 19 and Spring Retainer 20 and make sure that the Valve Spring 19 is seating the Valve 18 properly 6 Re...

Страница 7: ...G 029715A0001 1 28 DIAPHRAGM RING 031766A0001 SEE TAB 29 BALANCING DIAPHRAGM 028561A0001 SEE TAB 30 EXHAUST PLATE 027929A0002 2 31 PRESSURE PLATE 028571A0001 SEE TAB 32 PRESSURE PLATE 028569A0001 SEE TAB 33 EXHAUST SEAT 028557A0001 1 34 SUPPORT RING 028565A0001 1 35 BASE 027668C0001 1 36 SCREW SEE TAB 4 37 HEX NUT KEPS 1 4 20 not shown 036603A0019 2 38 MOUNTING BRACKET not shown 029139A0001 1 39 P...

Страница 8: ...nnessee 37801 Telephone 865 981 3100 Fax 865 981 3168 http www robertshaw thomasregister com http www robertshawindustrial com Exports Invensys Appliance Controls 1701 Byrd Avenue P O Box 26544 Richmond Virginia 23261 6544 Telephone 804 756 6500 Fax 804 756 6561 Q 1343 11 04 Printed in U S A ...

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