HAYWARD GORDON LTD
Page
12
Rev:
1
HRF Series Mixers
Date 11/99
Section: RF
TROUBLE SHOOTING, continued
TROUBLE
WHAT TO INSPECT
ACTION
VIBRATION
1. Inspect Impellers
Are all blades and extension arms bolted securely to
the impeller hub(s) in accordance with match marks?
2. Bolts tightened
Be certain that all mounting, and coupling bolts are
tightened to the correct wrench torque.
3. Mixer support structure
Does the mounting arrangement for the mixer provide
sufficient support to prevent wobbling or vibration of
the assembly, from unbalanced hydraulic forces on the
impeller.
4. Lower agitator shaft
Lower agitator should not be bent. The rigid coupling
halves must be connected according to instructions.
5. Steady bearing
Has excessive wear occurred to the bearing bushing?
Is bearing securely bolted to the vessel and properly
aligned?
OIL LEAKAGE
1. Is breather open?
Breather must be open and clean.
2. Worn oil seals
Replace defective seals.