2-68. CARTRIDGE FILTER ASSEMBLY REPLACEMENT/REPAIR (CONT)
Loosen top nuts on four hold-down rods.
Turn retainer washers until flat side faces casing.
Using suitable lifting device and sling, remove casing.
Remove four hold-down rods, retainer washers, and eight nuts.
Remove reducer from bottom assembly.
Remove filter disc. Remove and discard gasket.
Remove end plate from standoffs.
Remove T-pipe assembly from pipe connecting it to second T-pipe.
Place T-pipe assembly in a vise.
Remove cartridge valve, pipe, nipple, and three reducers from tee pipe.
Remove pipe from T-pipe.
Remove T-pipe from vise.
Using a suitable lifting device, follow instruction on instruction plate and lift skid assembly.
Remove four nuts.
Remove four standoffs from skid assembly.
Remove lifting device.
d. Casing Assembly and Installation
Using a suitable lifting device, follow instructions on instruction plate and lift skid assembly.
Install four standoffs.
Install four nuts.
Place T-pipe in a vise.
Install pipe at top of T-pipe.
Install three reducers, nipple, and cartridge valve.
Remove T-pipe assembly from vise.