Page 69 - Parker - Hydraulic and Lube Filtration Products

BGT Series

Operating And Maintenance
Instructions Parker Model BGT
Tank Top Filters

A. Mounting D. Servicing Dirty Elements F. To Install A New Or Cleaned Element
1. Standard mounting. 1. Shut system down to assure that Cartridge
a. Cut proper size hole in the top there is NO PRESSURE OR FLOW 1. Lubricate all seals.
of the reservoir. into the fi lter housing.
b. Drill holes for studs within the 2. Mount new or cleaned Parker
proper bolt circle. 2. Remove the fi lter cover. fi lter cartridge.
c. Set the fi lter into the cutout 3. Remove the fi lter insert (bridge NOTE: For ease of mounting, hold the
hole and secure with proper which holds the element in cartridge away from the magnetic core
size bolts, nuts and lock place). until the stud is through the hole in
washers. the bottom of the element. Then slide
4. Remove the bypass spring
2. Utilize proper fi ttings. assembly or non- it up to securely seat it to the top of
bypass plate from the stud. the bridge.
B. Start-Up 3. Install the bypass spring
1. Check for and eliminate leaks upon 5. Remove the contaminated cartridge assembly or non-
system start-up. with a twisting motion. bypass plate, and tighten until
2. Check differential pressure 6. a. Discard the disposable element snug.
indicator, if installed, to cartridge. NOTE: Older versions may have a
monitor element b. Wash cleanable or mesh cotter pin/castellated nut retained
condition. elements in a non- bypass spring. In these cases, the nut
caustic solvent. Compressed should be turned down the shaft until
C. Service air can be used to facilitate cleaning.
1. An element must be serviced when Use care to prevent damage to the the cross drilled hole is visible in the
the indicator indicates service is element during cleaning. base of a castellation and the cotter
required. pin inserted and ends fl ared to lock
NOTE: Elements fi ner than 150 the bypass assembly in place.
NOTE: If the fi lter is not equipped microns (100 mesh) may require
with an indicator, the element should special ultrasonic cleaning. Consult 4. Re-install the insert into the
be serviced according to machine factory for recommendations. fi lter housing, making sure that
manufacturer’s instructions. the top- spring is secure.
E. Before Installing A New Element 5. Re-install the cover. Torque the
Cartridge cover nuts to 22 ft./lbs.
1. Clean the magnetic core with a lint- Follow procedures B.1 and B.2.
free cloth.
2. Check all seals and replace if
necessary.

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