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Pilot valve assembly intermediate assembly, Important, Intermediate assembly drawing – SANDPIPER T1F User Manual

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Model T1F Metallic •

12

Pilot Valve Assembly

Intermediate Assembly

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.

25

21

7

26

5

Intermediate Assembly Parts List

Item

Part Number

Description

Qty

5

114.025.313

Intermediate

1

7

135.036.506

Bushing, Plunger*

2

21

560.001.360

O-Ring

2

25

620.022.115

Plunger, Actuator*

2

26

675.042.115

Ring, Retaining

2

28

720.010.375

Seal, Diaphragm Rod*

2

Intermediate Assembly Drawing

Step 1: Remove plunger, actuator (25) from center of

intermediate pilot valve cavity.

Step 2: Remove Ring, Retaining (26), discard.
Step 3: Remove bushing, plunger (7), inspect for wear

and replace if necessary with genuine parts.

Step 4: Remove O-Ring (21), inspect for wear and

replace if necessary with genuine parts.

Step 5: Lightly lubricate O-Ring (21) and insert into

intermediate.
Step 6: Utilizing a new Ring, Retaining (26) reassemble

in reverse order

Step 7: Remove Seal, Diaphragm Rod (28).
Step 8: Clean seal area, lightly lubricate and install new Seal,

Diaphragm Rod (28).

4: AIR

END