Delavan
Farming

Model # 9902 Official Delavan boom control valve

Here are the diagrams and repair parts for Official Delavan 9902 boom control valve, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 17 parts  |

Gasket 678
#9

Select-a-spray control valve models diagram

Gasket

Part #678

The manufacturer no longer makes this part, and there's no substitute part

Roll Pin 680
Roll pin

Part #680

The manufacturer no longer makes this part, and there's no substitute part

End Plate 9855
#10

Select-a-spray control valve models diagram

End plate

Part #9855

The manufacturer no longer makes this part, and there's no substitute part

Cap Screw 684
#1

Select-a-spray control valve models diagram

Cap screw

Part #684

The manufacturer no longer makes this part, and there's no substitute part

O-ring 681
#6

Select-a-spray control valve models diagram

O-ring

Part #681

The manufacturer no longer makes this part, and there's no substitute part

Body-9904 5599
#2C

Select-a-spray control valve models diagram

Body-9904

Part #5599

The manufacturer no longer makes this part, and there's no substitute part

Disc 674A
#7

Select-a-spray control valve models diagram

Disc

Part #674A

The manufacturer no longer makes this part, and there's no substitute part

Handle 9857
#11

Select-a-spray control valve models diagram

Handle

Part #9857

The manufacturer no longer makes this part, and there's no substitute part

3/4" Tube (includes #25-8175 Lower Spring Grip) N/P

#NI

All parts diagram

3/4" tube (includes #25-8175 lower spring grip)

Part #N/P

The manufacturer no longer makes this part, and there's no substitute part

Screw 683
#13

Select-a-spray control valve models diagram

Screw

Part #683

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Repair guides for gas grills

These step-by-step repair guides will help you safely fix what’s broken on your gas grill.

How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas grills

Use the advice and tips in these articles and videos to get the most out of your gas grill.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to convert a propane grill to natural gas video

How to convert a propane grill to natural gas video

A conversion kit and a few simple tools are all you need.…

How to check the propane level on an LP tank video

How to check the propane level on an LP tank video

Don’t run out of gas when you’re grilling! Here are four ways to check the level of propane in your tank.…