Multiquip MP150SDLTS Heat Pump User Manual


 
DRY PRIME PUMP — OPERATION AND PARTS MANUAL — REV. #3 (10/06/08) — PAGE 27
OPERATION
Engine Shut-Down
1. Place
speed control lever
in the idle position and place
the engine start/stop switch in the OFF position.
2. Close vandal cover on engine control box, and lock.
Store pad lock key in a safe place, out of the reach of
unauthorized persons.
Pump Storage
For storage of the pump for over 30 days, the following is
required:
z
Drain the fuel tank completely.
z
Run the engine until the fuel in the injection system is
completely consumed.
z
Completely drain used oil from the engine crankcase
and fill with fresh clean oil, then follow the procedures
described in the engine manual for engine storage.
z
Remove the drain plug from the pump and drain out any
water from left in the housing.
z
Remove the pump cover and clean inside of pump
housing. Coat inside of pump housing with a light film of
oil to reduce corrosion. A spray can of oil works well for
this application.
z
Cover suction and discharge ports with duct tape to
prevent any foreign matter from falling into pump.
z
Cover pump and engine with plastic covering or
equivalent and store in a clean, dry place.
Pump Inspection After Use
It is recommended that the pump be inspected after use for
damage or wear.
1. Drain and flush pump volute and priming system. Usually
from suction end.
2. Inspect impeller for wear or damage and measure
impeller clearance if it appears worn. Inspect interval
should be about every 1000 hours. This inspection should
be done when the pump is scheduled for maintenance
inspection.
3. Inspect discharge check valve for wear or damage.
Replace if necessary.
4. Inspect fuel tank and check for water by removing
0.5-inch drain plugs. Do not overtighten when replacing.
5. Check oil reservoirs for contamination or water.
6. Do dry vacuum test to check seal and check valve seal.
This check should be done when the pump is scheduled
for maintenance inspection.
When the pump is not in use,
close the vandal
cover
on the engine control box and
lock
. Locking
the engine control box will prevent unauthorized
personnel from starting the pump. Store key in a
safe place.
CAUTION - Locking Engine Control Box
If pumping in a positive head (pumping up hill), be sure to
open discharge check valve drain and release pressure
before uncoupling hose.
CAUTION - Disconnecting Discharge Hose