Baldor Comprehensive Flexidyne Maintenance Guide for Air Compressors

Page 6

Reassembly:

1.Install new seal felt and replace seal shield in drive housing.

2.Install housing seal (red in color) on rotor retainer and set rotor retainer in place in drive housing. Make certain housing seal does not twist and that it is properly seated in the drive housing.

3.Press ball bearings onto drive housing. Note: Press against inner (not outer) race of bearing. Make certain rotor retainer is not cocked when bearing enters it. Check to see that rotor retainer rotates freely in housing seal.

4.Install ball bearing retaining ring.

5.Install rotor and driven hub. Install and tighten screws.

6.Install cover seal (gray in color) in housing cover. Line up holes in cover seal retainer with holes in cover and install drive screws.

7.Place cover in position on drive housing so that filler plugs are diametricly opposed. Install and tighten housing screws.

8.Replace filler plug in housing cover. Tighten to recommended torque of 200 in.-lbs.

Table 3. Manufacturer's Part Numbers for Replacement Bearings

FLEXIDYNE

DODGE

SKF

NEW

DEPARTURE

Size

Part Number

Part Number

Part Number

 

 

 

 

 

 

 

9C

399210

6011 2RS

Z993L11

11C

399219

6014 2RS

Z993L14

REPLACEMENT OF PARTS

 

Reference

 

Name of Part

No.

9C Coupling

11C Coupling

 

 

Req’d.

Part Number

Part Number

 

 

 

 

 

1

Coupling Flange

Type H

1

008045

008047

 

 

Type F

008044

008046

 

 

 

 

 

2

TAPER-LOCK Bushing with Screws ¡

2

#2517

#2517

 

3

Coupling POLY-DISC

 

1

008034

008035

 

8

Coupling Flange Pin

 

409124

409125

 

30

Drive Housing

 

1

391554

391559

 

31

Drive Housing Stud

 

309243

311243

 

 

HOUSING COVER and SEAL ASSEMBLY Ì

1

391457

391464

 

32

c Housing Cover

 

1

309080

311081

 

33

c Cover Seal (Gray Color) with Retainer and Drive Screws

1

391254

391255

 

35

Hex Nut

 

6

407083

407085

 

36

Housing Screw

 

6

411045

411063

 

37

Lockwasher

 

6

419009

419010

 

38

Filler Plug

 

2

308021

308021

 

39

Filler Plug Lockwasher

 

2

419121

419121

 

56

Rotor

 

1

309006

311006

 

58

Rotor Retainer

 

1

309207

311207

 

62

Rotor Retainer Screw

 

6

415056

415058

 

64

Housing Seal (Red Color)

 

1

309036

311038

 

70

Driven Hub

 

1

309205

311205

 

72

Ball Bearing †

 

1

391210

391219

 

76

Ball Bearing Snap Ring

 

1

421013

421019

 

80

Seal Felt

 

1

309024

311024

 

82

Seal Shield

 

1

309027

311027

 

84

Bronze Bushing

 

1

309212

311212

 

88

Bushing Retaining Ring

 

1

421009

421014

Standard Parts – used in Nos. 7 (9C) and 8 (11C) POLY-DISC Couplings. Use Loctite #242 on threads when replacing coupling flange pins.

¡When ordering TAPER-LOCK Bushings – specify size number and bare. Ì Includes parts marked “#” listed immediately below.

#The parts marked “#” make up the assemblies under which they are listed.

‡ 5 required for 9C; 6 required for 11C.

† See Table 3 – Manufacturer’s Part Numbers for Replacement Bearings.

Note: Order parts by the 6 digit part numbers – not the 2 digit reference numbers.

872-5

Image 6
Contents Flexidyne Couplings Page Installation MethodOperation Maintenance Overload ProtectionThermal Capacity Replacement of Parts DisassemblyReassembly Replacement of PartsSymptom Cause Cure Condition Cause