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Pilot valve assembly intermediate assembly drawing – SANDPIPER T20 User Manual

Page 15

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Model T20 Metallic •

12

Pilot Valve Assembly

Intermediate Assembly Drawing

INTERMEDIATE REPAIR PARTS LIST

Item

Part Number

Description

Qty

5

114.024.313

Bracket, Intermediate

1

114.024.110

Bracket, Intermediate

1

7

135.034.506

Bushing, Plunger

2

27 560.001.360 O-Ring

2

32

620.020.115

Plunger, Actuator

2

33

675.042.115

Ring, Retaining*

2

35

720.004.360

Seal, Diaphragm Rod

2

*Note: It is recommended that when plunger components

are serviced, new retaining rings be installed.

Intermediate Assembly Drawing

Step 1: Remove plunger, actuator (32) from center of

intermediate pilot valve cavity.

Step 2: Remove Ring, Retaining (33), discard.
Step 3: Remove bushing, plunger (7), inspect for wear

and replace if necessary with genuine parts.

Step 4: Remove O-Ring (27), inspect for wear and

replace if necessary with genuine parts.

Step 5: Lightly lubricate O-Ring (27) and insert into

intermediate.
Step 6: Reassemble in reverse order.

IMPORTANT

When the pumped product source is at a higher

level than the pump (flooded suction condition),

pipe the exhaust higher than the product source

to prevent siphoning spills. In the event of a

diaphragm failure a complete rebuild of the

center section is recommended.

27

7

33

32

5

MODEL SPECIFIC

4: AIR

END