Product Manual

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RD12A/12K General Maintenance
7.17 Cleaning the Spray Bars
Background Clogged or dirty spray bars can prevent water from spraying onto the drums. If
water spray is noticeably reduced or absent even though there is water in the tank,
clean the spray bars.
Requirement ■ Turn off the engine.
■ Remove the ignition key.
■ Apply the parking brake.
Procedure To clean the spray bars:
1. Remove the caps (a) at the ends of each spray bar (b).
2. Flush the inside of the spray bar with clean water.
3. Install one of the caps, and again flush the inside of the spray bar with clean
water. Check for free flow of water through each spray hole (c).
4. If any of the spray holes are blocked, use a brush to clean along the channels at
the spray hole. If the spray hole is still blocked, use a small pointed object (for
example, a stiff piece of wire) to remove the blockage.
5. Install the second cap when all spray holes are clean.
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