Viking Pump TSM285: Classic+ Lobe Pump - Manual (Page 33)

SECTION TSM 285 ISSUE A PAGE 33 OF 36
Pump Model
Mounting Attitude with Suction and Discharge ports in:
Horizontal Plane Vertical Plane
Liters US Pints Liters US Pints
CP10 0.25 0.44
To be advised - Fill to Sight
Glass level (see below)
CP20 0.50 0.88
To be advised - Fill to Sight
Glass level (see below)
CP30 1.00 1.76
To be advised - Fill to Sight
Glass level (see below)
CP40*
(Top Cavity)
0.75 1.32
To be advised - Fill to Sight
Glass level (see below)
CP40*
(Bottom Cavity)
1.75 3.08
To be advised - Fill to Sight
Glass level (see below)
CP50*
(Top Cavity)
0.60 1.05
To be advised - Fill to Sight
Glass level (see below)
CP50*
(Bottom Cavity)
0.80 1.41
To be advised - Fill to Sight
Glass level (see below)
8.3 LUbRICANTS
Gearbox oil recommended for use with Classic+ is an
‘EP (Extreme Pressure) grade gear lube’ for the following
temperature ranges.
EP150 -2 – 0°C (0 – 32°F)
EP220 0 – 30°C (32 - 85°F)
EP320 30°C (85°F) and higher
Approximate lubricant capacities for the Classic+:
* Note: The CP40 and CP50 have two gearbox cavities that
should be subject to the same maintenance program.
Always add oil to the level of the sight glass. The sight glass
must be located in the uppermost position on the side of the
gearbox.
No flow
Irregular flow
Under Capacity
Pump Overheats
Motor Overheats
Excessive Rotor Wear
Excessive Seal Wear
Noise / Vibration
Seizure
Pump Stalls on Startup
Causes
Action
Incorrect Direction of Rotation
Reverse Motor
Pump Not Primed
Expel Gas From Suction Line / Pump Chamber & Prime
Insuf
ficient NPSH
Available
Increase Line Diameter & Static Suction Head. Simplify Suction Line & Reduce Length. Reduce Pump Speed & Product
Temperature
Product
Vaporizing
in
Suction
Line
Air Entering Suction Line
Remake Piping Joints
Gas in Suction Line
Expel Gas From Suction Line / Pump Chamber
Insuf
ficient Static Suction Head
Raise Product Level to Increase Static Suction Head
Product V
iscosity
Too High
Decrease Pump Speed / Increase Product
Temperature
Product V
iscosity
Too Low
Increase Pump Speed / Decrease Product
Temperature
Product
Temperature
Too High
Cool Product / Pumping Chamber
Product
Temperature
Too Low
Heat Product / Pumping Chamber
Unexpected Solids in Product
Clean the System / Fit Strainer on Suction Side of Pump
Discharge Pressure
Too High
Check for Blockages / Simplify Discharge Line
Casing Strained by Piping
Check Pipe
Alignment / Support Piping
Pump Speed
Too High
Decrease Pump Speed
Pump Speed
Too Low
Increase Pump Speed
Seal Flush Inadequate
Increase Seal Flush to Required Pressure / Flow
Bearing /
Timing Gear W
ear
Replace W
orn Components
8.4 TROUbLESHOOTING
8.5 MATERIAL SPECIfICATIONS
Pump
Model Casing
Front
Cover Rotors
Rotor
Retainers Shafts
Shaft
Sleeves Gearbox
Bearing
Housing
Gearbox
Cover
CP10
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
N/A Cast Iron Cast Iron N/A
CP20
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
N/A Cast Iron Cast Iron N/A
CP30
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
N/A Cast Iron Cast Iron N/A
CP40
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
N/A Cast Iron N/A Mild Steel
CP50
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
316
Stainless Steel
Cast Iron N/A Mild Steel