Water Specialties Propeller meter ML15, Propeller meter ML19, Propeller meter ML07, Propeller meter ML11, Propeller meter ML21 Operation And Maintenance Manual
...
24” - 54”
30119-02 Rev. 2.6/07-09
MAIN LINE METERS
MODELS
ML03, ML07, ML11, ML15, ML19, ML21, ML23, MLT1
OPERATION AND MAINTENANCE MANUAL
PARTS LIST
FEATURING:
*STANDARD TOTALIZER ASSEMBLY
*CERAMIC BEARING CARTRIDGE PROPELLER
*ONE PIECE SEPARATOR/SPINDLE AND THREADED REVERSE THRUST BEARING CARTRIDGE
WATER SPECIALTIES
3255 WEST STETSON AVENUE
HEMET, CALIFORNIA 92592-7799 U.S.A.
PHONE:
FAX:
VISIT OUR WEBSITE:
951-652-6811
951-652-3078
www.mccrometer.com
1
30119-02 Rev. 2.6/07-09
This Warranty shall apply to and be limited to the original purchaser consumer of any McCrometer product. Meters or instruments defective because of faulty material or workmanship will
be repaired or replaced, at the option of McCrometer, free of charge, FOB the factory in Hemet,
California, within a period of one (1) year from the date of delivery.
Repairs or modifications by others than McCrometer or their authorized representatives shall
render this Warranty null and void in the event that factory examination reveals that such repair
or modification was detrimental to the meter or instrument. Any deviations from the factory
calibration require notification in writing to McCrometer of such recalibrations or this Warranty
shall be voided.
In case of a claim under this Warranty, the claimant is instructed to contact McCrometer, 3255
W. Stetson Ave., Hemet, California 92545, and to provide an identification or description of the
meter or instrument, the date of delivery, and the nature of the problem.
WARRANTY
The Warranty provided above is the only Warranty made by McCrometer with respect to its
products or any parts thereof and is made expressly in lieu of any other warranties, by course of
dealing, usages of trade or otherwise, expressed or implied, including but not limited to any implied
warranties of fitness for any particular purpose or of merchantability under the uniform commercial code. It is agreed this Warranty is in lieu of and buyer hereby waives all other warranties,
guarantees or liabilities arising by law or otherwise. Seller shall not incur any other obligations
or liabilities or be liable to buyer, or any customer of buyer for any anticipated or lost profits,
incidental or consequential damages, or any other losses or expenses incurred by reason of the
purchase, installation, repair, use or misuse by buyer or third parties of its products (including
any parts repaired or replaced); and seller does not authorize any person to assume for seller any
other liability in connection with the products or parts thereof. This Warranty cannot be extended,
altered or varied except by a written instrument signed by seller and buyer.
This Warranty gives you specific legal rights, and you may also have other rights which vary from
state to state.
McCrometer reserves the right to make improvements and repairs on product components which
are beyond the Warranty period at the manufacturer’s option and expense, without obligation to
renew the expired Warranty on the components or on the entire unit. Due to the rapid advancement
of meter design technology, McCrometer reserves the right to make improvements in design and
material without prior notice to the trade.
All sales and all agreements in relation to sales shall be deemed made at the manufacturer’s
place of business in Hemet, California and any dispute arising from any sale or agreement shall
be interpreted under the laws of the State of California.
Copyright © 2005 McCrometer. All printed material should not be changed or altered without permission of McCrometer. The published technical data and instructions are subject to change without
notice. Contact your McCrometer representative for current technical data and instructions.
2
30119-02 Rev. 2.6/07-09
MAIN LINE METER
INDEX
I. UNCRATING
II. INSTALLATION
1. Flanged Tube Meters
2. Plain End Tube Meters
3. Welding Saddle Meters
A. Align
B. Scribe
C. Cut Out
D. Straightening Vanes
a.) Hold
b.) Mark
c.) Insert
E. Welding Saddle
F. Meter Assembly
III. METER SERVICE SCHEDULE
IV. METER HEAD ASSEMBLY
V. WORKING AREA
VI. TOTALIZER ASSEMBLY
1. Bonnet Mounting Screws
2. Totalizer
3. Totalizer Change Gears
4. Totalizer Drive Magnet
VII. GEARBOX
VIII. VERTICAL SHAFT ASSEMBLY
MAIN LINE METER
INSTALLATION
I. UNCRATING. When uncrating the meter, any damage due
to rough or improper handling should be reported to the
transportation firm and McCrometer. If for any reason it
is determined that the unit or parts of the unit should be
returned to the factory, please contact McCrometer for
clearance prior to shipment. Each unit must be properly
crated to prevent any further damage. The factory assumes
no responsibility for equipment damage in return shipment
due to improper packaging. The shipping crate contains the
following items:
Main Line Meter Assembly with
Standard Totalizer ............................................................1
Mounting Equipment as required ......................................-
Operation and Instruction Manual ....................................1
Tool T-2402X-1 ...............................................................1
II. INSTALLATION of McCrometer Main Line Meters varies
depending upon the type and model of meter selected for
each application. The meter must have a full flow of liquid
for proper accuracy. The meter installations fall into three
basic categories:
1. FLANGED TUBE METERS can be installed exactly as you
would install any short length of flanged pipe. Flanged ends
are standard pattern and drilling for any meter size.
2. PLAIN END TUBE METERS can be installed similar to
replacing a short length of plain end pipe in the line by
either welding, or by using one of a variety of pipe couplings
available. NOTE: Meter head assembly (#13) should be
removed before welding. (See step IV.)
IX. MITER GEAR FRAME ASSEMBLY
1. Driven Miter Gear Assembly
2. Drive Miter Gear Assembly
3. Components
X. PROPELLER ASSEMBLY
1. Propeller Removal
2. Reverse Thrust Bearing Cartridge
3. Water Lubrication
4. Ceramic Bearing Cartridge
5. Spindle Ceramic Sleeve
6. Separator/Support Spindle Assembly
7. Propeller Installation
8. Thrust Bearing Cartridge Assembly
9. Propeller Bearing
XI. INSPECTION
XII. REASSEMBLY
1. Miter Gear Frame Assembly
2. Gearbox
3. Vertical Shaft Assembly
4. Totalizer Drive Magnet Assembly
5. Totalizer Base Cup
6. Bonnet Assembly
7. Propeller Assembly
8. Meter Head Gasket
3. WELDING SADDLE METERS can be installed on an exist-
ing pipeline by cutting a hole of proper size and welding a
meter saddle (furnished with the meter) to the pipe. The
installation steps outlined below should be followed carefully
to achieve proper mounting of the meter:
A. ALIGN the cutout template in the desired position for the
meter on the pipe. Make certain that the center line of the
pipe and the center line marked on the template are parallel
with each other. Some people prefer to use the saddle as
the template.
B. SCRIBE the pipe along the line specified for your meter size
cutout.
C. CUT OUT the section of pipe within the scribed line and
remove all burrs, slag, and rough edges from the inside and
outside of the cutout section.
D. STRAIGHTENING VANES are recommended when there
is less than ten pipe diameters of straight pipe (no fittings
or obstructions) directly upstream from the meter location.
Straightening vanes are available from the factory and when
required should be installed in the following manner, prior
to welding the saddle to the pipe:
a.) HOLD the vanes on the outside of the pipe ten
3
30119-02 Rev. 2.6/07-09
(10) inches upstream from the center of the cutout
opening. The vanes must be parallel to the center line
of the pipe and should be equally spaced radially 120
degrees apart.
b.) MARK the pipe around the straightening
vane bolts and burn or drill holes in the pipe where
marked.
c.) INSERT the vanes into the pipe through the
saddle cutout opening with the bolts protruding
through the holes. Place seal (stainless steel with
rubber) washers over each bolt, directly against the
pipe. Brass washer should be placed between the
washer and the nut. Secure nuts to hold vanes to
the pipe. Nuts, bolts and washers not supplied. The
vanes can be welded to the pipe if desired. NOTE:
Meter head assembly (#13) should be removed before
welding. (See step IV.)
E. WELDING SADDLE should be centered over the cutout
section of the pipe. Make certain that no part of the pipe
protrudes past the inside edge of the welding saddle. Tack
weld the saddle to the pipe prior to welding a continuous
bead around the saddle. NOTE: Meter head assembly (#13)
should be removed before welding. (See step IV.)
the meter head gasket (#52) for any sign of damage and
replace if necessary. Replace the meter head assembly
(#13) with a dummy cover plate if the service line is to
remain in operation.
V. WORKING AREA chosen for disassembly and reassembly of
the internal meter components should be clean to reduce
the chance of dust or dirt particles being introduced into
the meter mechanism.
VI. TOTALIZER ASSEMBLY (#4) service procedure should
include cleaning and inspection of the unit noting any excessive wear on the change gear (#7 & #8) that may lead to
operational problems in the unit.
1. BONNET MOUNTING SCREWS (#3) should be removed
and the entire bonnet (#1) lifted off of the meter.
2. TOTALIZER (#4) is contained within the totalizer bonnet
(#1) and held in place by a base cup (#5). It should not
be necessary to remove the totalizer (#4) during inspection;
however, removal of the base cup (#5) is necessary for
inspection of the totalizer change gears (#7 & #8). Removal
of the base cup (#5) can be accomplished by inserting a
small screwdriver into the two cutouts and prying upward
under the edge.
F. METER ASSEMBLY should be placed in the line with the
propeller nose facing the upstream flow in the pipe. Use
care when installing the meter not to damage the propeller
as it passes through the saddle opening. The meter head
gasket should be inspected for any sign of damage and
replaced if necessary before installing the meter. Tighten
the meter head bolts securely.
MAIN LINE METER
OPERATION AND MAINTENANCE MANUAL
III. MCCROMETER products have been carefully designed to
be as maintenance free as possible. Periodic preventive
maintenance, however, is highly recommended and should
be practiced according to schedule to assure continuous
accuracy and trouble-free performance of your propeller
meters. The maintenance and inspection procedure can also
be used as a guide to locating a problem in the unit that
may be the cause of abnormal meter operation.
Routine preventative maintenance should be performed on all
meters, which includes cleaning and an inspection of the
propeller and its bearing. The intervals between inspections
depend on the water quality and the usage of the meter.
The initial inspection should be performed after one to two
years of service, to determine the period between future
inspections. After five to ten years, the complete meter
should be inspected to insure years of dependable service.
IV. METER HEAD ASSEMBLY (#13) should be removed from
the service line by removing the meter head bolts (#53) and
lifting up the rear (downstream) portion of the meter head
(#13), carefully pulling the assembly back (downstream) and
up at the same time to allow the propeller (#40) to clear
the inside of the meter saddle and be lifted free. Inspect
3. TOTALIZER CHANGE GEARS (#7 & #8) should be in-
spected for any sign of wear. Both the A-(drive) gear and
B-(driven) gear are attached to the lower portion of the
totalizer assembly (#4). Spin the floating totalizer driven
magnet in the center of the totalizer bottom (#4) to make
certain it spins freely without bind or drag. The bottom of
the totalizer has the letter “A” molded next to the A-drive
gear shaft, and the letter “B” next to the B-driven gear
shaft.
4. TOTALIZER DRIVE MAGNET ASSEMBLY (#12) located
in the meter head (#13) at the top of the vertical shaft
assembly (#14) should be checked and adjusted if necessary to position it 1/16 inch below the top surface of the
meter head (#13). Adjustments can be made by loosening
the socket head set screw in the side of the totalizer drive
magnet assembly (#12), and sliding it up or down the vertical shaft (#14) as desired. Always be sure the set screw
is tightened into the flat on the vertical shaft (#14).
VII. GEARBOX (#17) on McCrometer meters is sealed and filled
with gearbox oil to assure the long life and proper operation
of the parts contained in the miter gear frame assembly
(#21). Before disassembling the lower meter assembly,
the oil must be emptied out of the gearbox (#17). Vertical
shaft assembly (#14) must be removed before the gearbox
oil can be drained.
VIII. VERTICAL SHAFT ASSEMBLY (#14) is pulled directly out
the top of the meter after removing two screws (#16) inside
the meter head (#13). Spin the upper bearing assembly
(#15) gently, checking for any sign of wear. Inspect the
vertical shaft assembly (#14) to be sure it is not bent or
damaged. To drain gearbox oil, turn meter over onto the
meter head (#13) and drain oil into a container.
4
Loading...