Literature In addition to our quality proven products, Cherne provides the training necessary to use these products safely and effectively.   Product Operation and Maintenance Manuals     Jet Balls   6" - 18" Jet Balls   Joint Tester   21" to 39" Sizes 42" to 120" Sizes   Hydrostatic Test Pumps   Piston Style Hydrostatic Test Pump - Briggs Piston Style Hydrostatic Test Pump - Honda 9.5 GPM Hydrostatic Test Pumps - Briggs & Honda 35 GPM Hydrostatic Test Pump Water Tank Installation Instructions Wheel Kit Installation Instructions Hypro ® Pump Replacement Parts   Piston Pump (Model 5210C-R) 9.5 Gallon Diaphragm Pump (Model D30-B-GRGI-02) 9.5 Gallon Diaphragm Control Unit (Model 9910-GS40GI) 35 Gallon Diaphragm Pump (Model 9910-D135)   Line Stringers   Line Stringer - Briggs Engine Line Stringer Honda Engine   Low Pressure Sewer Testing Equipment   Leak Location Testing Line Acceptance Testing   Manhole Testing Equipment   Bladder Style  Manhole Testers Plate Style Manhole Testers Vacuum Pumps Vacuum Generator #460 Vacuum Generator #600 Wheel Kit installation Instructions   Smoke Testing Equipment   Honda Smoke Blowers -Smoke Bomb Version Briggs Smoke Blowers -Smoke Bomb Version Honda Smoke Blower - Liquid Version Briggs Smoke Blower - Liquid Version