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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06
Page 60 of 68 flowserve.com
8.2 Standard Mark 3 pump, Group 2 and Group 3
Group 2 Optional duplex bearing arrangement
Group 3 Standard bearing clamp arrangement
Item Description
3200 Bearing housing 4610.2 O-ring - bearing carrier
1100 Casing 3240 Bearing carrier 6521 Plug - bearing housing vent
1220 Cover 3712 Bearing locknut 6541.1 Lockwasher - bearing
1340 Adapter - bearing housing 3855 Constant level oiler (not shown) 6569.1 Plug - bearing housing drain
2100 Shaft 3856 Sight gage - bearing housing 6570.12 Screw - clamp
2200 Impeller 4120 Gland 6570.2 Screw - cover/adapter
2400 Sleeve, optional 4130 Packing - optional 6570.3 Screw - bearing carrier set
2530.1 Retaining ring - bearing 4134 Seal cage – packing optional, 6570.4 Screw - foot
2530.2 Retaining ring - clamp type 4200 Mechanical seal 6570.5 Screw - bearing housing
2540 Deflector - inboard optional 4310.1 Oil seal inboard 6572.1 Stud - casing
2541 Oil flinger - optional 4310.2 Oil seal outboard 6572.2 Stud - gland
3011 Ball bearing - inboard 4590.1 Gasket - cover 6580.1 Nut - casing
3013 Ball bearing - outboard 4590.2 Gasket - impeller 6580.2 Nut - gland
3126.1 Shim 4590.3 Gasket - gland 6700 Key - shaft/coupling
3134 Support foot 4610.1 O-ring - adapter