Multiquip MQD2H manual Setup, Handle Installation, CAUTION - General Safety Precautions

SETUP

Handle Installation

The MQ-D2H/D3H diaphragm pumps are completely assembled except for the steering handle. Attach the steering handle to the pump base as shown in Figure 6.

GEAR

BOX

HANDLE

BOLT

WASHER

PUMP BASE

Figure 6. Handle Installation

Before Starting:

CAUTION - General Safety Precautions

NEVER operate the pump in a confined area or enclosed area structure that does not provide ample free flow of air.

ALWAYSwear approved eye and hearing protection before operating the pump.

Before Starting

1.Read safety instructions at the beginning of manual.

2.Place pump as near to water as possible,onafirmflat,levelsurface.

WARNING - Fill Cap

DO NOT open fill cap if pump is hot! Water inside may be under pressure.

Hoses and Clamps

1.Check that all hoses are securely attached to the pump. Make certain suction hose (Figure 2) does not have any air leakage. Use teflon tape or pipe dope on NPT threads.

2.Remember suction hoses must be rigid enough not to collapse when the pump is in operation.

3.Check that the discharge hose (Figure 2) is not restricted. Place hose so that it lays as straight as it is possible on the ground. Remove any twists or sharp bends from hose which may block the flow of water.

Suction and discharge hoses are

NOTE available from Multiquip. Contact your nearest dealer for more information.

4.The discharge hose is usually a collapsible (thin-walled) hose, however if a thin-walled discharge hose is not avail- able, a rigid suction hose can be substituted in its place.

5.Make sure the suction strainer (Figure 2) is clean and securely attached to the water end of the suction hose. The strainer is designed to protect the pump by preventing large objects from being pulled into the pump.

CAUTION - Transmission Fluid

Transmission fluid needs to be added prior to operation.

PAGE 16 — MQD2H/3H DIAPHRAGM PUMPS — OPERATION AND PARTS MANUAL — REV. #6 (10/27/11)