Adjustments & Service Valmar
Post- Season Maintenance
Before storing the applicator after the work
season, check the following areas:
1. Remove the metering rollers and clean
them.
2. Clean the inside of the hopper,
especially the bottom corners.
3. Purge the delivery system by running
the fan at operating speed.
4. Lubricate all roller chains and the
gearbox.
5. Remove the manifold pressure gauge.
Store it in a clean, dry place. Plug the
port.
6. Touch up any paint scratches.
7. Store in a shed or cover with a
waterproof tarpaulin.
Pre- Season maintenance
Before starting the season’s work, check the
following areas:
Gas Engine
1. Change the crankcases oil and replace
the spark plug.
2. Clean the engine and all components
thoroughly. Ensure that the throttle and
choke operate freely.
Bearings
1. Inspect the fan bearing. Remove the
cover, loosen the belt and push and pull
on the one edge of the impellor.
2. Turn the metering system by hand. If
there is any binding or dragging, replace
the worn bearing(s).
Delivery System
1. Inspect the applicator for accumulation
of debris. Clean if necessary.
2. Install the manifold pressure gauge. Run
the fan to ensure it is working properly.
3. Run the fan at operating speed and
check the air flow in each outlet.
Metering System
1. Disassemble the electric clutches and
buff the internal surfaces with emery
cloth. Reassemble to proper gap.
2. Inspect gearbox for proper gear
alignment. Lubricate all moving parts.
3. Check roller chain and fan belt tension
and alignment.
4. Be sure all sprockets are secured to a
shaft. If the sprocket has been spinning,
grind a flat spot on the shaft where the
screw is located.
5. Check the metering roller gap.
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