Technical service manual – Viking 823 User Manual

Page 13

TECHNICAL SERVICE MANUAL

VIKING PUMP, INC.

•

A Unit of IDEX Corporation

•

Cedar Falls, IA 50613 USA

SECTION TSM 845.1
PAGE

13 Of 13

ISSUE

WARRANTY

Viking warrants all products manufactured by it to

be free from defects in workmanship or material for a

period of one (1) year from date of startup, provided

that in no event shall this warranty extend more than

eighteen (18) months from the date of shipment from

Viking. If, during said warranty period, any products

sold by Viking prove to be defective in workmanship

or material under normal use and service, and if such

products are returned to Viking’s factory at Cedar Falls,

Iowa, transportation charges prepaid, and if the products

are found by Viking to be defective in workmanship

or material, they will be replaced or repaired free of

charge, FOB. Cedar Falls, Iowa.

Viking assumes no liability for consequential

damages of any kind and the purchaser by acceptance

of delivery assumes all liability for the consequences of

the use or misuse of Viking products by the purchaser,

his employees or others. Viking will assume no field

expense for service or parts unless authorized by it in

advance.

Equipment and accessories purchased by Viking

from outside sources which are incorporated into any

Viking product are warranted only to the extent of and

by the original manufacturer’s warranty or guarantee,

if any.

THIS IS VIKING’S SOLE WARRANTY AND IS IN

LIEU OF ALL OTHER WARRANTIES, EXPRESSED

OR IMPLIED, WHICH ARE HEREBY EXCLUDED,

INCLUDING IN PARTICULAR ALL WARRANTIES

OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE. No officer or employee of

IDEX Corporation or Viking Pump, Inc. is authorized to

alter this warranty.

DANGER !

Before opening any Viking pump liquid

chamber (pumping chamber, reservoir,

relief valve adjusting cap fitting, etc.)

be sure:
1. That any pressure in the chamber has

been completely vented through the

suction or discharge lines or other

appropriate openings or connections.

2. That the driving means (motor, turbine,

engine, etc.) has been “locked out” or

made non-operational so that it cannot

be started while work is being done on

pump.

3. That you know what liquid the pump

has been handling and the precautions

necessary to safely handle the liquid.

Obtain a material safety data sheet

(MSDS) for the liquid to be sure these

precautions are understood.

failure

follow

above

listed

precautionary measures may result in

serious injury or death.

DANGER !

Before starting pump, be sure all drive

equipment guards are in place.
failure to properly mount guards may

result in serious injury or death.

Mark valve and head before disassembly to insure proper

reassembly.
1. Remove valve cap.
2. Measure and record length of extension of adjusting

screw. Refer to

“A” on figure 21 on page 12.

3. Loosen locknut and back out adjusting screw until spring

pressure is released.

4. Remove bonnet, spring guide, spring and poppet from

valve body. Clean and inspect all parts for wear or

damage and replace as necessary.

ASSEMBLY: RELIEf VALVE

Reverse procedures outlined under Disassembly. If valve is

removed for repairs, be sure to replace in original position.

Relief valve adjusting screw cap must always point toward

suction side of pump. If pump rotation is reversed, remove

relief valve and turn end for end.

See figure 3 on page 3.

Also refer to

PUMP ROTATION on page 7.

DISASSEMBLY: RELIEf VALVE