Graco King E50, Instructions Manual

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Repair
Repair Repair Repair
To reduce the risk of injury due to skin
injection and splashing, perform the
Pressure Pressure Pressure Relief Relief Relief Procedure Procedure Procedure,,, page page page 12 12 12 before
performing any repair procedure.
Xtreme Xtreme Xtreme Lower Lower Lower Removal Removal Removal
Required Required
Required Tools
Tools
Tools
• Set of adjustable wrenches
• Torque wrenches
• Rubber mallet
• Thread lubricant
• Anti-seize lubricant
• Thread sealant
Disconnect Disconnect
Disconnect and
and
and Reconnect
Reconnect
Reconnect Lower
Lower
Lower
1. Flush the pump (see Prime/Flush Prime/Flush
Prime/Flush,,, page
page
page 14
14
14
).
Stop the pump at bottom of its stroke.
2. Perform Pressure Pressure Pressure Relief Relief Relief Procedure Procedure Procedure,,, page page page 12 12 12 .
3. Disconnect the unit from the power source.
4. Disconnect the fluid hose, then disconnect the
suction hose. Hold the fluid inlet fitting with
a wrench to keep it from loosening while you
disconnect the suction hose.
Do not lift the pump by the lift ring when the
weight exceeds 360 kg (800 lb). The lift ring
could fail and result in injury.
Use caution when disconnecting the lower;
they can weigh up to 25 kg (55 lb). Take
appropriate precautions.
5. If the driver does not require service, leave it
attached to its mounting.
6. Remove clip (11) and slide coupling cover (13)
up to remove coupling (12).
7. Use a wrench to hold the tie rod flats to keep
rods (8) from turning. Unscrew nuts (10) and
remove the lower (9).
8. See your lower pump manual to service the
lower.
9. Reconnect the lower by following the disconnect
steps in reverse order.
NOTE:
NOTE:
NOTE: Torque the nuts (10) to 50–60 ft-lb (68–81
N•m).
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