Bimba Flat Squar - Manual (Page 2)

Assembly Instructions
Flat-1 and Flat Square
General Repair Instructions
K-B-FO- , K-B-FS-
Bimba Manufacturing Company
Monee, IL 60449-0068
Telephone: 708.534.8544
Fax: 708.235.2014
Email: [email protected]
www.bimba.com
Form: BMS-1019
rev. 1: EC-37791
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product, scan this QR code
with your mobile device.
Reassembly
1)
Lightly lubricate all of the new seals.
2) For cylinders with Viton option, please skip to step 4.
3) Press in the new front bushing into the rod guide as shown in Figure 3.
4) Install the new rod seal into the rod guide behind the front bushing. (For Viton option cylinders,
the seal will be installed in between the front and rear bushings.)
5) For cylinders with Viton option, please skip to step 7.
6) Press in the new rear bushing into the rod guide as shown in Figure 4.
7) Install the new piston seal(s) onto the piston/rod assembly.
8) For spring retract models, install the spring onto the rod/piston assembly
9) Install the new body seals into the rod guide and rear head.
10) Carefully install the rod guide assembly onto the rod/piston assembly. (Use extreme caution,
single acting models contain springs so the contents may be pressurized.)
11) For spring extend models, install the spring back into the piston end of the rod/piston assembly.
12) Install the body into the rod guide. (Be careful not to damage the body seal.)
13) Install the rear head onto the body. (Be careful not to damage the body seal.)
14) For single acting models, the sub-assembly may need to be compressed with an arbor press.
15) Install the 4 posts back in between the rod guide and rear head.
16) Install the 4 (8 for long stroke versions) body bolts back into the rod guide and rear head.
17) Torque the bolts to the applicable values in Table 1. (See Table 2 for FS models.)
(see reverse side for disassembly instructions)
A A B B C C
D D
.63 PIN (NOT SUPPLIED)
REAR BUSHING FLUSH
E E
F F
FIGURE 4
A A B B C C
.63 PIN (NOT SUPPLIED)
ROD GUIDE
FRONT BUSHING
FLUSH
D D
.63 PIN (NOT SUPPLIED)
REAR BUSHING FLUSH
E E
F F
FIGURE 3
FIGURE 4
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)
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 1: Flat-1 Torque Specification
Table 2: Flat Square Torque Specification