Wear Ring/Impeller Specifications - Mercury 200 OptiMax Jet Drive Service Manual

Pump Unit

Wear Ring/Impeller Specifications

Wear ring bore diameter
Impeller outside diameter
Clearance between wear ring and impeller
Lubricants, Sealants, Adhesives
Tube Ref No.
Loctite 271 Threadlocker
7
Loctite 567 PST Pipe
9
Sealant
Special Lubricant 101
34
Loctite 242 Threadlocker
66
High Performance Gear
87
Lubricant
2-4-C with Teflon
95
Loctite 598 RTV Sealant
142
Special Tools
Impeller Nut Socket
Page 5A-2
Wear Ring/Impeller Specifications
Description
Nozzle assembly bolts, pivot bolts, stator assembly bolts, anode
Nozzle/reverse gate assembly and anode bolt threads
Ride plate screws, inlet screen screws and rock grate screws
Pinion shaft housing O-ring and impeller shaft cover O-ring
Aids in the removal, installation, and torquing of the impeller nut.
25463
184.73–184.98 mm (7.273–7.283 in.)
183.52–183.77 mm (7.225–7.235 in.)
Where Used
Impeller shaft nut
bolts
Jet drive housing studs, special pivot screws
Reverse gate and rudder pivot pin threads
Stator/wear ring mounting screws
Nozzle assembly and anode screws
Pinion shaft housing screw threads (M8 x 25)
Impeller shaft threads
Pinion shaft housing screws (M8 x 25)
Stator fill plugs
Stator fill/drain and vent plugs
Pinion shaft seals and impeller shaft splines
Wear ring O-ring
Impeller shaft splines and wear ring O-rings
Between shaft seals
Impeller shaft splines and seal protector
Inlet screen screws and bolts
Trim plate screws
Ride plate bolt threads (M6 x 20) (16)
Stator housing fill
Jet drive housing
Stator
Drive housing
Stator and drive housing
Pinion shaft housing O-ring
Impeller shaft bore and O-ring
Ride plate and inlet grate screws
Ride plate
0.96–1.47 mm (0.038–0.058 in.)
91‑850297
90-8M0050731 MAY 2011
Part No.
92-809819
92-809822
92-802865Q02
92-809821
92-858064K01
92-802859A 1
Obtain Locally