Gregson-Clark V-50B-SA

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VSS 10-12

MAINTENANCE

 Check and tighten all hose clamps.

 Check for worn hoses. (rubbing, cracking)

 Check Engine air filter, clean every 50 hours; change every year or 300 hours.

 Check Engine oil with each use, change after 20 hours and every 100 hours thereafter.

 Check Pump oil with each use, change every year or 500 hours.

 Check Pump Gearbox oil with each use, change after 20 hours and every 100 hours

thereafter.

 Clean Suction Strainer. (See photos 21 and 22)

SPECIFICATIONS

Engine Crankcase Oil ......................................................... 10W30 (SJ or SL)

Engine Fuel Recommendation ............................................ 86 Octane (Min) unleaded

Pump Crankcase Oil ........................................................... 30 Wt. or 40 Wt. Non-detergent

Pump Gearbox Oil .............................................................. 80W90 Gear Oil

Photo 21 Suction Strainer Photo 22 Center Post

The suction strainer is equipped with an internal shut-off valve that closes when the

cup is removed. It prevents the suction line from emptying when the strainer is

dissembled for cleaning.

IMPORTANT!

When re-assembling the strainer, ensure that the center post in the cup engages the

steel pin in the strainer head. (See photo 22) Otherwise, the valve will remain closed

and damage to the pump may result.

Gregson-Clark V-50B-SA - Maintenance