Baldor 9C Air Compressor User Manual


 
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
Size
DODGE
Part Number
SKF
Part Number
NEW
DEPARTURE
Part Number
9C 399210 6011 2RS Z993L11
11C 399219 6014 2RS Z993L14
REPLACEMENT OF PARTS
9C Coupling 11C Coupling
Reference Name of Part
No.
Req’d.
Part Number Part Number
1
Coupling Flange
Type H
Type F
1
008045
008044
008047
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