User's Manual

Parts
3A0411F 27
Center Section
Aluminum Center Section
* Included in Center Section Rebuild Kit.
The center housing (106) is not sold separately.
Sample Configuration Number
Pump Size
and Material
Center Section Fluid Covers
and Manifolds
Seats Check
Balls
Diaphragm Manifold and
Seat Seals
3300A
A01A
A1 TP BN TP BN
101*
102
104*
103
105
106
107*
108*
109*
110*
111
112*
113*
ti17768a
Aluminum
103
Lips must face out of housing.
6
Torque to 20-25 in.-lb (2.3-2.8 N•m).
8
Aluminum: Torque to 30-40 ft-lb. (41-54 N•m).
7
Apply lithium-based grease.
2
2 8
2
6
2
7
Ref. Description Qty.
101* U-CUP, center shaft 2
102 SCREW, ground 4
103 BOLT, socket head, 7/16-14 x 6.25,
zinc-plated carbon steel
4
104* SCREW, M6 x 25, stainless steel 4
105 COVER, air 2
106 HOUSING, center, not sold separately 1
107* GASKET, air cover 2
108* SHAFT, center 1
109* BEARING, shaft 2
110* VALVE, pilot, assembly 2
111 VALVE, air, see page 31 1
112* PIN, dowel, stainless steel 4
113* GASKET, air valve 1
114 LUBRICANT, thread, not shown 1
115 SEALANT, anaerobic, not shown 1
Ref. Description Qty.