Owner's manual
17
ITEM DESCRIPTION QTY ITEM DESCRIPTION QTY
1 Rotor, Drive 1 26 Cap Screw 28
2 Rotor, Driven 1 27 Washer 1
3 Housing 1 29 Cap Screw 2
4 End Plate 2 31 Drain Plug, Magnetic 2
6 End Cover, Drive End 1 37 Breather 2
7 End Cover, Gear End 1 39 Gasket, Port 2
8 Timing Gear Set 1 58 Seal Ring 4
9 Bearing, Double Row Ball 2 62 Cap Screw 16
10 Bearing, Cylindrical Roller 1 68 Spring Pin 1
12 Lip Seal, Rotor Shaft 4 70 Oil Sight Gauge 2
13 Lip Seal, Drive Shaft 1 80 Lockwasher AR
14 Retainer Plate 4 123 Shim Seal 2
20 Oil Slinger 1 126 Spring Pin 4
22 Dowel Pin 4 174 Pipe Plug 2
23 Key, Drive Shaft 1 239 Sleeve 4
24 Key, Gear 2 304 Mounting Foot 2
25 Washer 2
307 Cap Screw AR
PARTS LIST - MODELS 4504, 4506, 4509, 4512
When ordering parts, use the item number shown, plus your model and serial number.
MODEL LOBE TO END PLATES INTERLOBE
GEAR END DRIVE END TIP-DOWEL TIP-PORT MININUM
4504 .004” - .008”
(.10 - .20)
.005” - .009”
(.13 - 23)
.007” - .011”
(.18 - .28)
.009” - .013”
(.23 - .33)
.008” - .012
(.20 - .30)
4506 .004” - .008”
(.10 - .20)
.006” - .010”
(.10 - 25)
.007” - .011”
(.18 - .28)
.009” - .013”
(.23 - .33)
.008” - .012
(.20 - .30)
4509 .004” - .008”
(.10 - .20)
.009”- .013”
(.23 - .33)
.007” - .011”
(.18 - .28)
.009” - .013”
(.23 - .33)
.008” - .012
(.20 - .30)
4512 .004” - .008”
(.10 - .20)
.012” - .016”
(.30 - .41)
.007” - .011”
(.18 - .28)
.009” - .013”
(.23 - .33)
.008” - .012
(.20 - .30)
LOBE TO CASING
ASSEMBLY CLEARANCES
Metric values (mm) are shown in parentheses ( )
All other values are in inches
Port connectors and associated mounting hardware for Model 4500 Equalizer DF blowers are sold separately.