User manual RL FLO-MASTER POLYMER SPRAYERS MODEL 1997HD

[. . . ] RELEASE pressure in sprayer before servicing. DO NOT spray gasoline or other flammables. OPERATING INSTRUCTIONS: 1. Remove the pump from the tank by turning counter clockwise. 2. Prepare spray solution following instructions provided with the chemicals. [. . . ] 11. Check for worn or damaged parts frequently. !MAINTENANCE AND DISASSEMBLY: To keep the pump working smoothly and efficiently, the plunger u-cup seal needs to be lubricated often. Disassemble pump and apply grease or petroleum jelly around the outside of the plunger cup. Unscrew cap at top of pump cylinder in a counter clockwise motion. When reassembling be sure that notches in cam plate are fitting into cylinder notches, then screw cap onto cylinder assembly. Note: Your sprayer was lubricated at the time of manufacture. ! TROUBLESHOOTING: Always depressurize the sprayer, remove chemical solution, and clean the sprayer before making repairs. Refer to the parts diagram for part numbers and names. Replacement parts may be purchased at most RL FLO-MASTER dealers, or they can be ordered from our Consumer Service Hotline at 1-800-253-4642. PROBLEM: Pump works hard or does not pressurize tank. CAUSE: Plunger cup or plunger o-ring either not lubricated or damaged. SOLUTION: Apply petroleum jelly around outside of plunger cup or plunger o-ring. Check for cracks or other damage and replace if necessary. PROBLEM: Spray solution backs up through pump cylinder. CAUSE: Check valve on bottom of pump cylinder prevented from sealing by dirt, residue, or damage. SOLUTION: Remove pumps cylinder and examine check valve. CAUSE: (1) Hose/tank screw connector loose OR (2) Hose damaged. SOLUTION: (1) Tighten screw connector - hand tighten only. OR (2) Cut off damaged section of hose and reassemble with gear clamp, or replace with new hose/flow control assembly. CAUSE: (1) Extension o-ring prevented from sealing by dirt or damage OR (2) Extension nut not screwed in all the way on flow control. SOLUTION: (1) Clean and examine o-ring, replace if damaged OR (2) Push extension into flow control until it is fully seated into place. Then screw extension nut into flow control. [. . . ] Model Number 1997HD Warranty Period Limited Lifetime ANY IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR CONSUMER USE, ARE LIMITED TO THE DURATION SPECIFIED ABOVE. ROOT-LOWELL MANUFACTURING CO. 'S LIABILITY IS LIMITED SOLELY TO THE REPAIR OR REPLACEMENT OF THE NON-FUNCTIONING PRODUCT OR PART. EXCLUDES LIABILITY UNDER THIS WARRANTY FOR ANY AND ALL INCIDENTAL AND CONSEQUENTIAL LOSS OR DAMAGE. Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so these limitations or exclusions may not apply to you. [. . . ]