24 Models RD30/RC25TroubleshootingGuide
Section 8 Troubleshooting Guide
PROBLEM PROBABLE CAUSE REMEDY PAG E
REF.
1. No product is being
dispensed with the draw
valve open.
a. Product freeze--up due to
improper product mixing.
a. Follow directions for
mixing product carefully.
-- --
b. The torque arm is not
installed.
b. Install the torque arm. 17
c. Bent or improperly
installed torque rotor.
c. Replace the bent rotor or
follow proper assembly
procedures.
14
2. The product is too thin. a. I mproper mixing of
product.
a. Follow directions for
mixing product carefully.
-- --
b. Missing, incorrectly
installed, or worn scraper
blades.
b. Replace or install the
blades correctly.
14
c. The viscosity adjustm ent
screw needs to be
adjusted.
c. Adjust the screw
accordingly.
6, 12
d. The torque rotor is bound
leaving the torque arm in
the cold position.
Therefore, the compressor
will not run.
d. Free the torque rotor. -- --
3. The product is too stiff. a. The torque rotor bound
leaving the torque arm in
the warm position.
Therefore, the compressor
continually runs.
a. Free the torque rotor. -- --
b. The torque arm is missing
or bent.
b. Install or replace the
torque arm.
17
c. The viscosity adjustm ent
screw needs to be
adjusted.
c. Adjust the screw
accordingly.
6, 12
d. Improper mixing of
product.
d. Follow directions for
mixing product carefully.
-- --