14
177-999H
T100 Medium - Hydraulic Section Service (Cont’d)
Hydraulic Section
Disassembly (Cont’d)
Diaphragm Plate Disassembly
WARNING: Manifold (84) and assembled parts weigh
over 200 pounds (91 kg) and are a two man lift. Use
care in handling to prevent personal injury or damage
to equipment.
a. Slide manifold (84) away from diaphragm plate (52),
following steps a. through d. in the Remove Manifold
Assembly Section.
WARNING: Diaphragm plate (52) and assembled
parts weigh over 100 pounds (45 kg) and are a two
man lift. Use care in handling to prevent personal
injury or damage to equipment.
Note: To ease handling of diaphragm plate, install
two Eyebolts (177-058) from T100 Medium Pressure
Tool Kit in place of two Setscrews (55) on top of
diaphragm plate.
b.
See Hydraulic Section Parts view.
Remove two cap
screws (56) from diaphragm plate (52).
c. Carefully slide diaphragm plate and assembled parts away
from pump along pump studs.
d. Replace diaphragm plate gasket (24) if damaged.
Check/Replace Airbleed Valve
a.
See Valve Parts View.
Unthread airbleed valve (61) from
diaphragm plate (52). Inspect valve and replace if needed.
b. Reinstall airbleed valve. Torque to 75 ft-lbs (102 N-m).
Check/Replace Underfill Valve
a.
See Valve Parts View.
Unthread underfill valve (65) from
bottom of diaphragm plate (52). Inspect valve and replace if
needed.
b. Reinstall underfill valve. Torque to 30 ft-lbs (41 N-m).
Check/Replace Overfill Valve Assembly
a.
See Valve Parts View.
Unthread overfill valve (57) from
bottom of diaphragm plate (52). Inspect overfill valve and
replace if needed.
b. Reinstall overfill valve. Torque to 105 in-lbs (12 N-m).
