Manual
12
LEFT & RIGHT 
APRON CYLINDER 
A123319
KEY NO.  PART NO.  DESCRIPTION 
1  A175H01  Barrel Assembly 
2  A300H06  O-ring seal, 4” OD x 3/16” 
3  A300H11  Head gland 
4  A300H12  Retainer ring 
5  A22H15  O-ring, 1-1/2” x 1/8” 
6  A22H15A  Backup washer 
7  A300H13  Head cap 
8  A22H18  Capscrew, 1/4 NC x 1” 
9  A22H17  Wiper seal, 1-1/2” ID 
10  A123345  Block type Apron Cyl. Rod end cyl. 1” 
11  A123351  Pin keeper bushing 
12  A123336  Pin: Tab Head 
13  A175H02  Shaft, 1-1/2” diameter 
14  A45H05  Piston gasket, 1” 
15  A300H07  Piston, 4” dia. 
16  A300H05  Back up washer, 4” OD 
17  A300H04  Cast iron ring, 4” OD 
18  A300H03  Piston nut, 1” NF 
19  A1217E  Pin, 1” x 3-1/2” w/tab head
20  8602  Cotter Pin
21  AFB-00062  Allen set screws
22 14505 Greasetting
23  AFB-00015  Bolt, 1/2” x 1-1/2” NC 
  A300H14B  Packing kit containing: 
    1 - A300H04 2 - A22H15 2 - A300H05 
    1 - A22H15A 2 - A22H06 1 - A22H17 
    1 - A45H05 
1* OLD STYLE
The older apron cylinder 
can be identied by 3/8” 
NPT ports & 3 bolts on the 
headcap of the gland.
2* NEW STYLE
The new style, effective 
6/25/03, has 7/8” o-ring base 
ports & the gland is threaded 
into I.D. of the barrel. Identi-
ed by the 2 holes on the end 
of the cylinder.










