Bimba Flat Squar Double End Rod General User Manual

Assembly Instructions

Flat-1 and Flat Square Double End Rod

General Repair Instructions

K-B-FOD- , K-B-FSD-

Disassembly

1) Using the appropriate allen wrench, remove the 4 (8 for long stroke versions) body bolts from the

endcap(s).

2) Remove the body posts from the assembly.

3) Remove the rod guide and rear head from the body.

4) For cylinders with Viton option, please skip to step 6.

5) Install provided snap ring into the rod guide and press out the bushing as shown in Figure 1.

6) Remove the rod seal from the rod guide. (For cylinders with Viton option, a pick may be needed.)

7) Repeat steps 4-6 for rear head, then proceed to step 8.

8) Remove the body seals from rod guide and rear head.

9) Remove the piston seal(s) from the piston/rod assembly.

PISTON SEAL(S)

PISTON/ROD ASSEMBLY

BODY SEAL

ROD GUIDE

ROD BUSHING

ROD BUSHING

ROD SEAL

BODY

ROD SEAL

BODY BOLT (SEE NOTE)

BODY POST (SEE NOTE)

BODY SEAL

NOTE: FS MODELS WILL HAVE BODY POSTS REPLACED BY TIE RODS
AND BODY BOLTS REPLACED BY TIE NUTS AS SHOWN BELOW:

TIE NUT

TIE ROD

ROD GUIDE

SNAP RING

(see reverse side for reassembly instructions)

Bimba Manufacturing Company
Monee, IL 60449-0068
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
www.bimba.com

FIGURE 1

.50 PIN (NOT SUPPLIED)

ROD SEAL

ROD BUSHING

Form: BMS-1020

rev. 1: EC-37791

To learn more about this

product, scan this QR code

with your mobile device.

Assembly Instructions

Flat-1 and Flat Square Double End Rod

General Repair Instructions

K-B-FOD- , K-B-FSD-

Reassembly

1) Lightly lubricate all of the new seals.

2) Install the new rod seal into the rod guide. (For cylinders with Viton option, please skip to step 4.)

3) Press in the new bushing into the rod guide as shown in Figure 2.

4) Repeat steps 2-4 for rear head, then proceed to step 5.

5) Install the new piston seal(s) onto the piston/rod assembly.

6) Install the new body seals into the rod guide and rear head.

7) Carefully install the rod guide assembly onto the rod/piston assembly.

8) Install the body into the rod guide. (Be careful not to damage the body seal.)

9) Install the rear head onto the body. (Be careful not to damage the body seal.)

10) Install the 4 posts back in between the rod guide and rear head.

11) Install the 4 (8 for long stroke versions) body bolts back into the rod guide and rear head.

12) Torque the bolts to the applicable values in Table 1. (See Table 2 for FSD models.)

FLUSH

FIGURE 2

Table 1: Flat-1 Torque Specication

Bore

Size

9/16", 3/4",

1-1/16"

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)

(see reverse side for disassembly instructions)

Bimba Manufacturing Company
Monee, IL 60449-0068
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
www.bimba.com

Screw

Size

#4-40 7 (.58) 3.5 (.29)

Torque: in-lb (ft-lb)

Standard “S” Option

ROD BUSHING

ROD GUIDE

Table 2: Flat Square Torque Specication

Bore

Size

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)

product, scan this QR code

Screw

Size

Form: BMS-1020

rev. 1: EC-37791

To learn more about this

with your mobile device.

Torque: in-lb

(ft-lb)