Milton Roy MILROYAL B, Инструкция по эксплуатации

Страница: 10 / 20

5
Instruction Manual
1. After removing the micrometer stroke adjustment
screw (1110) from the pump housing, clean
and degrease the threads in the boss inside
the pump housing and also the threads of the
new adapter bushing (1470) supplied. Apply
a medium grade of Loctite
®
compound to the
adapter threads and install the adapter in the
adjustment boss bore from outside the housing
to obtain complete thread engagement.
2. Prepare to install the capacity control assembly
by slightly loosening (finger tight) the six hex
head screws (1350) and one socket screw
(1360) in the mounting collar. Place O-ring (70)
in the adapter shaft ring groove and apply a
generous film of seal lubricant on the O-ring.
3. Install the capacity control assembly on the
pump boss using care to guide the adapter
shaft (1320) through the adapter bushing
and to compress the O-ring into the boss.
Position the mounting color within 1/8”(3 mm)
of the housing.
4. Inside the pump housing, reassemble the lead
screw keys to engage the groove in the end
of the capacity control adapter shaft (1320)
and install the locking set screws in the gear
housing. Remove the set screw (1540) because
it may collapse the threaded adapter bushing.
Rotate the worm shaft to position the crank arm
at the top of its travel.
5. Refill the pump drive casing with oil and
complete the reassembly of the pump.
6. Complete the connection of the signal and
supply pressure air lines to the capacity control
and fill the oil reservoir as outlined in the
installation section. Tighten the mounting collar
clamping socket screw (1360).
7. Apply supply pressure and use signal pressure
to position the control at 0% capacity as
indicated by the percent capacity scale on the
transparent cylinder. Loosen the mounting collar
clamping socket screw (1360) and move the
mounting collar and control on the pump boss
until the gear housing is positioned for zero
plunger travel to correspond to 0% capacity
setting of the control. The zero stroke position
can be determined by rotating the input shaft
by hand (turn the coupling between input
shaft and motor through open bottom of motor
mounting) so that the crank rotates through a full
revolution, checking the crosshead in “lateral”
area for a movement. At “zero” stroke there will
be no perceptible movement of the crosshead
when crank goes through a full revolution.
8. Tighten the mounting collar clamp screw (1360)
and the six mounting screws (1350). Remove
set screw (1540) from top of mounting collar
(1330) and spot drill through the set screw
hole in mounting collar with a 1/4” (6.35 mm)
diameter drill to a depth of approximately 1/16”
(1.5 mm). Blow out chips from drilling. Install
and tighten half dog set screw.
9. Actuate the control through the full stroke range
to bleed all air from the hydraulic cylinder.
Then check the calibration of the control
% capacity indication against the plunger stroke
at zero and full stroke positions.
SECTION 2 - INSTALLATION