6. Maintenance
17
Read the instructions carefully. The items refer to the parts list and service kits section.
6.3 General dismantling
Step 1
Inlet Collar
Loosen the Collar Set Screw (45) with the 1/8" Hex Key.
Unthread the Collar (8) and remove the Stator (9).
Tip:
If (8) does not unthread easily, remove (45) and spray a generous amount of liquid lubricant into the threaded hole. Turn
(8) back and forth to slowly unthread. Forcing the (8) off of the unit without the use of a lubricant may gall the threads on the (8)
and/or (2).
Step 2
Base Assembly
Remove the Socket Head Cap Screws (SHCS) (43)
with a 1/4” Hex Key, the Lockwashers (44), and Base (14) from the Tee
Housing (4).
Remove the Nut (52)
with an 11/32” socket and Lockwasher (51) from the Output Shaft (12).
Using slotted screwdriver, remove the Idlers Shafts (15), Idler Gear Assemblies (16), and the Output Pinion (11).
Step 3
Stem Collar
Unscrew the SHCS (42)
with 5/32” Hex Key, and remove them along with the Lockwashers (41).
Pull the Stem Collar (2) from the Rotor Shaft Upper Bearing Housing (26).
Step 4
Gear Train Assembly
Remove the Gear Train Assembly from the body by tapping on the Ouput Shaft (12) at the Base end of the machine with the
handle of a screw driver.
Step 5
Nozzle Housing
Remove the Nameplate Screws (46) and Lockwashers (47) with a 5/16" socket.
Pull the Nozzle Housing (5) off the nose of the Tee Housing (4).
Remove the inner Housing Seal (31) and Bearing (29).
Tip:
Use a screwdriver on both sides of the flange of (29) to aid in
removal.
Step 6
Tee Housing
Using a 1/8” slotted screwdriver, remove the Ring Gear Retaining Ring (20), and Pullout the Ring Gear (19).
Unscrew the SHCS (41) using a 5/32" Hex Key, and remove the Lockwashers (42) and Idler Shaft Base (28).
Tip:
if the (28) is difficult to remove, screw the SHCS (43) (removed in Step 2.2.2) back into (28) and use them for leverage. Or,
using two slotted screwdrivers, pry between the Tee Housing (4) and Stem (3).
Pull the (4) from the (3).
Remove the lower Tee Housing (31).
Pry/Pull the lower Tee Housing Bearing (29) and Tee Housing Bevel Gear (17) from (3).