Hygienic 4

Gather all components. Click Here for exploded view and parts list.

Install Bushings 75-1846 into Geared Nozzle Carrier 75-1851S.

Install Retaining Rings 75-1847 into Geared Nozzle Carrier 75-1851S grooves.

Grooves are located above Bushings 75-1846.

Repeat these steps for the second nozzle carrier assembly.

Slide Horizontal Shaft 75-1844S through Nozzle Carrier Assembly.

Use 5/32" Hex Bit to finger tighten horizontal shaft 75-1844S to Elbow 75-1860S.

Apply anti-seize to all threads.

Repeat these steps for second nozzle carrier and horizontal shaft.

Place Elbow 75-1860S in a soft jawed vice and torque Horizontal Shaft 75-1844S to 20 in-lbs.

Install Roll Pin 75-1856 into one of the holes at lower end of Body 75-1853S .

Install Bevel Gear 75-1852 to Roll Pin 75-1856 .

Install Retaining Ring 75-1855 to groove on Body located just above Bevel Gear 75-1852.

Install G Washer 75-1863 and Bushing 75-1408 to Vertical Shaft 75-1854.

Seat Vertical Shaft assembly onto Body 75-1853S.

Apply anti-seize to thread of Elbow 75-1860S.

Use the 1-1/8" deep socket to Install Vertical Shaft 75-1854 to Elbow 75-1860S. Torque to 20 ft-lbs.

Keep the nozzle carriers 90 degrees offset from each other. One carrier should be at 6 and 12 while the other remains at 3 and 9 O' clock.

After tightening the vertical shaft to 20 Ft-lbs, check that the gears are properly meshing by spinning the nozzle carriers.

Apply a small amount of anti-seize to the 75-1801-SS Rotor and snugly tighten to the 75-1854 Vertical Shaft by using a flat wrench.

Install Rotor 75-1801-SS to Vertical Shaft 75-1854 using a flat wrench.

Apply anti-seize to rotor.

Tighten snugly.

Seat Motor 75-1857 inside body.

Install O-ring to Inlet Cap 75-1403S

Install Inlet Cap to Body 75-1853S.

Apply anti-seize to OD thread of inlet cap.

Use Molykote 111 or equivalent product to lubricate O-ring.

Clamp onto flats of Body 75-1853S and tighten Inlet Cap 75-1403S to 60 ft-lbs.

Do not use excessive force when clamping.

Install Nozzles 75-1849 nozzles and tighten to 15 ft lbs.

The Hygienic 4 is complete!

Each Hygienic 4 comes with a bypass plug kit.