User's Manual

Repair
22 3A0591U
9. Carefully lay piston (107) and rod (102) down so rod
will not be bent. Remove nut (108), washer (109),
and piston (107). Remove outer o-ring (105) and
inner o-ring (110).
10. Inspect parts for wear or damage. Replace as nec-
essary.
Reassemble Piston and Seal
1. Install new o-rings (105 and 110) and lubricate pis-
ton (107) and o-rings.
2. Apply medium strength thread sealant. Install piston
(107), washer (109), and nut (108) on piston rod
(102).
3. Carefully insert piston into cylinder and push piston
rod straight down into cylinder.
4. Lubricate o-ring (106) and bearing (111). Install
o-ring (106), bearing (111), and retaining ring (112)
into piston seal housing (103).
5. Install new o-ring (105) on piston seal housing
(103).
6. Carbon Steel Rams: Install new pin (113) if neces-
sary, or be sure it is in place.
7. Lubricate o-ring (105) and piston seal housing
(103).
8. Slide spring (104) and piston seal housing (103) on
the rod (102). Carbon Steel Rams: orient the pin to
the slot in the cylinder. Stainless Steel Rams: be
careful not to push the piston seal housing down
into cylinder.
9. Install retaining ring (115).
10. Stainless Steel Rams: Lubricate and install inner
o-ring (122) into piston cap (120). Install outer o-ring
(121) onto piston cap. Then install piston cap (120)
onto the cylinder with screws (124) and washers
(123).
11. Reattach the tie bar (114), washers (116, 3), and
nuts (117, 4).
FIG. 8. Ram Piston.
107
108*†
109*†
110*†
105*†
TI10521a
102