Repair
12 306982ZAE
Throat Packing Service for In-Line Pump
Model 206078
NOTE: See FIG. 5 on page 11 and Parts on page 13.
1. Clamp the pump in a vise and unscrew the
displacement cylinder (CC) from the air motor base
(J). Pull the displacement cylinder away from the air
motor until the cotter pin (DD) which secures the
displacement pump connecting rod to the air motor
piston rod (FF) is visible.
2. Remove the cotter pin (DD) and unscrew the pump
connecting rod (EE) from the air motor piston rod
(FF). Remove the cylinder (G) from the air motor
base (J) as described under Disassembly on page
8.
3. Remove one louvered air exhaust plate (BB) and
unscrew the throat packing nut (HH), using a
spanner wrench or a 0.22 in. (5.6 mm) diameter rod.
4. Remove the packing nut (45), male and female
glands (47, 48), v-packings (49), washer (44),
bearing (46), retainer (24), wiper (22), o-ring (23),
u-cup (25), and washer (26) from the base.
5. Clean the throat packing area in the base and the
packing nut. Clean and inspect all parts, and
replace as necessary.
6. Lubricate the packings, piston rod and piston
flange with a light waterproof grease.
7. Install the washer (26) into the base. Assemble the
packing (25) and the wiper (22) into the retainer (24).
Install the o-ring (23) onto the retainer, and insert
the retainer assembly into the base.
NOTE: Make sure the packing (25) lips face down, and
make sure the wiper (22) lips face up.
8. Insert the bearing (46) and the washer (44) into the
base. Assemble the female gland (48), v-packings
(49), and the male gland (47) into the packing nut
(45).
9. Reinstall the spacer and packing in the base and
packing nut (45). Screw the packing nut into the
base, and tighten it securely. Carefully slide the
piston rod (FF) down through the throat packing,
and lower the piston into the base. Reinstall the
plate (BB) and cylinder (G). Reassemble the air
motor to the displacement pump.
10. Torque the outlet adapter (42) to 45 to 55 ft-lb (61
to 75 N-m).
To avoid fire and explosion, always ground
equipment and waste container. To avoid static
sparking and injury from splashing, always flush at
the lowest possible pressure.
The piston in the air motor, located behind the air
motor plates, moves when air is supplied to the
motor. Moving parts can pinch or amputate your
fingers or other body parts. Therefore, never operate
the pump with the air motor plates removed.
NOTICE
When reinstalling cotter pin (DD), always spread and
flatten the pin (both the head and prongs) around the
rod to within a 1 in. (25 mm) total diameter. See
Detail A in FIG. 5 on page 11.
To Next Page
Loading...
