TM 5-3895-374-24-1
GP325FA
TROUBLESHOOTING CHECKLIST
Symptom
Cause
Correction
E.
Motor Not Generating
-Check Motor Voltage and
Nameplate Speed
Frequency Against Nameplate
Rating and Proper Wiring
-Replace Motor
F.
High Ambient Temperature
-Check Inlet Conditions Against
and/or High Altitude
The "HAUCK ALTITUDE
CHART" (GP256)
G.
Inlet Obstructed
-Remove Obstruction or Move
Blower To Provide Free Air
Flow Into Inlet Opening
H.
Belt Slippage
-Adjust The Belt Tension
5. Blower Vibrates
A.
Rotor Unbalanced
-Check For Material Buildup
Excessively
On Impeller
-Check For Mechanical Damage
To Impeller, Repair or Replace
-Rebalance Impeller
B.
Loose Motor Mounts
-Tighten Bolts
6. Excessively Noisy
A.
Vibration Being Trans-
-See Vibration Corrections Above
Operation
mitted To Surrounding
-Install Isolation Pads and Flexible
Structure
Connectors Between Blower and
Surroundings
B.
Rotating Member Touch-
-Check Free Turning In Both the
ing A Stationary Member
Impeller and Motor, Adjust As
Necessary
C.
Motor Bearings Worn-out
-Replace Motor
D.
Air Leaking From System
-Tighten Joints, Flanges and
Fittings. Look for Unplugged Holes
In Piping
E.
Loose Sheave
-Align and Tighten Sheaves
(Belt Drive Only)
(page 3-550)
