AT/SC: TB-24-01 Adjusting New or Replacement Spray Heads

SYSTEM: Spray Heads

AFFECTED TANKS: All Trucks with Spray Heads

REASON: New and replacement spray heads need the actuator adjusted and set before installation.

COMPLETION: WITH IMMEDIATE EFFECT

TOOLS REQUIRED:

STEP ONE
Use a 1¼“ wrench to unscrew the actuator from the spray head housing.

STEP TWO
Use a tape measure/steel ruler and measure from top of diaphragm to top of spray head housing (around 3 5/8”).

STEP THREE
Measure actuator from the base to the end of the adjuster bolt.

(Measurement should be 1/16″ to 1/8″ longer than the housing measurement.)

Using an 11/16″ wrench, break the jam nut loose.

Using a 5/8″ wrench, screw/unscrew the adjuster bolt.

Once the bolt is set, using an 11/16″ wrench, tighten the jam nut.

STEP FOUR
Using a 1¼” wrench, install the actuator to the spray head housing.

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