Instruction Manual

Assembly Instructions
Flat-1 and Flat Square Wiper Option
General Repair Instructions
K-B-FO-W- , K-B-FS-W-
Bimba Manufacturing Company
Monee, IL 60449-0068
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
www.bimba.com
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Reassembly
1) Lightly lubricate all of the new seals.
2) Press new rod wiper holder into rod guide as shown in Figure 3.
3) Install new rod seal and press in new bushing into place as shown in Figure 4.
4) Press wiper into holder.
5) Install new piston seal(s) onto piston/rod assembly.
6) For spring retract models, install the spring onto the piston/rod assembly.
7) Install new body seal in rod guide and rear head.
8) Carefully install the rod guide assembly into the piston/rod assembly. (Use extreme caution,
single acting models contain springs so contents may be pressurized.)
9) For spring extend models, install the spring back onto the piston end of the piston/rod assembly.
10) Install the body into the rod guide assembly. (Be careful not to damage the body seal.)
11) Install the rear head onto the body. (Be careful not to damage the body seal.)
12) For single acting models, the sub-assembly may need to be compressed with an arbor press.
13) Install the 4 posts back between the rod guide and the rear head.
14) Install the 4 (8 for long stroke versions) body bolts back into the rod guide and rear head.
15) Torque the bolts to the applicable values in Table 1. (See Table 2 for FS models.)
(see reverse side for disassembly instructions)
Form FOFSW-612
rev. 1
A
A
FIGURE 3
PRESSING TOOL (NOT SUPPLIED)
ROD GUIDE
WIPER HOLDER
FLUSH
A
A
FIGURE 4
PRESSING TOOL (NOT SUPPLIED)
FLUSH
ROD GUIDE
REAR BUSHING
WIPER HOLDER
ROD SEAL
Bore
Size
Screw
Size
Torque: in-lb (ft-lb)
Standard “S” Option
9/16", 3/4",
1-1/16"
#4-40 7 (.58) 3.5 (.29)
1-1/2", 2" #10-24 35 (2.9) 19 (1.6)
2-1/2", 3" 1/4-20 90 (7.5) 41 (3.4)
4" 5/16-18 150 (12.5) 87 (7.2)
Table 1: Flat-1 Torque Specication
Bore
Size
Screw
Size
Torque: in-lb
(ft-lb)
3/4", 1-1/16" #5-40 10 (.83)
1-1/2", 2" .185-24 30 (2.5)
2-1/2" 1/4-28 35 (2.9)
3" 5/16-24 90 (7.5)
4" 3/8-24 150 (12.5)
Table 2: Flat Square Torque Specication