Pilot valve assembly intermediate assembly – SANDPIPER S15 Metallic User Manual

Page 19

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Model S15 Metallic •

16

Pilot Valve Assembly

Intermediate Assembly

Intermediate Repair Parts List

Item

Part Number

Description

Qty

5

114.024.157

Bracket, Intermediate

1

114.024.010

Bracket, Intermediate

1

114.024.110

Bracket, Intermediate

1

7

135.034.506

Bushing, Plunger

2

26 560.001.360 O-Ring

2

30

620.020.115

Plunger, Actuator

2

31

675.042.115

Ring, Retaining*

2

33

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 (30) from center of

intermediate pilot valve cavity.

Step 2: Remove Ring, Retaining (31), discard.
Step 3: Remove bushing, plunger (7), inspect for wear

and replace if necessary with genuine parts.

Step 4: Remove O-Ring (26), inspect for wear and

replace if necessary with genuine parts.

Step 5: Lightly lubricate O-Ring (26) and insert into

intermediate.
Step 6: Reassemble in reverse order.
Step 7: Remove Seal, Diaphragm Rod (33).
Step 8: Clean seal area, lightly lubricate and install new Seal,

Diaphragm Rod (33).

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.

33

30

5

31

7

26

4: AIR

END

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