JETStream 4" J-FORCE GEN II JF4X22, Product Instructions, Page: 14 / 36

14 PI-190 June 2019
Section 3: Preparation for Use
3.0 The 4” J-Force Gen II is mounted to a flexible rubber waterblast hose
that allows it to navigate 4” pipes with bends up to 90°.
3.1 Before use, disassemble the 4” J-Force Gen II and inspect the man-
drel and bushing for wear, damage, o-ring condition, etc. and repair or
rebuild as necessary.
3.2 Clean the 4” J-Force Gen II by wiping internal components using a
soft cloth and a water dispersing lubricant like WD-40.
3.3 See Flow Charts in Appendix C to choose nozzle configuration, flow
rate, and desired operating pressure. The 4” J-Force Gen II is equipped
with two forward-facing ports at 10°, two radial ports at 100°, and two
rearward-facing ports at 135°. Choose the nozzle configuration based on
the type of cleaning application and desired operating pressure and flow.