Bimba Blue and Improved Flat-1® General Operating instructions

Brand
Bimba
Model
Blue and Improved Flat-1® General
Type
Operating instructions
1
!WARNING: FOS, FOR, and FOD (with J option) models contain springs. Use caution when
disassembling to avoid injury.
DISASSEMBLY
TOOLS REQUIRED: Allen keys, arbor press, internal snap ring pliers, torque wrench with hex drive sockets.
1. Using an allen wrench, remove three (3) screws or tie rods and posts retaining them for reassembly.
SCREW OR
TIEROD
ROD SEAL
BUSHING
ROD GUIDE
POST
REAR HEAD
PISTON SEAL
BODY
PISTON/ROD
BODY SEAL
BUSHING
ROD GUIDE
SNAP
RING
PIN
PRESS
DOWN
SPRING
SPACER
SPACER
SPRING
2. Remove rod guide, piston assembly, body, and the endcap retaining them for reassembly. Note spring
placement, if applicable.
3. Remove and discard piston seals and body seals.
IMPORTANT: If your kit contains a replacement rod guide, skip step 4 and proceed with reassembly.
4. Disassemble rod guide by pressing out the rod guide bushing using the included internal snap ring and a
press pin equal to the rod diameter. Position snap ring in the seal groove as detailed in Figure 2. Discard
bushing and rod seal.
Figure 1: Overview of Components
Figure 3: FOS Spring and Spacer Placement
Figure 2: Bushing Removal Detail
Figure 4: FOR Spring and Spacer Placement
Product Instructions
Blue and Improved Flat-I
General Repair Instructions K-BIF-FO-___
2
Form: BMS-1037
Rev. A
Product Instructions
Blue and Improved Flat-I
General Repair Instructions K-BIF-FO-___
!
WARNING: Ensure cylinder body is centered in the rear head and rod guide seals before
continuing. Failure to properly align the body can lead to leaking seals, premature seal failure,
or damage to components.
BORE SIZE (DIAMETER) SCREW SIZE TORQUE: IN-LB (FT-LB)
02, 04 (9/16", 3/4") #4-40 7 (.58)
09 (1-1/16") #6-32 14 (1.2)
17 (1-1/2") #10-24 35 (2.9)
31, 50 (2", 2-1/2") 1/4/20 80 (6.7)
70 (3") 5/16-18 150 (12.5)
125 (4") 3/8/16 250 (20.8)
REASSEMBLY
1. Lightly lubricate all new piston seals, rod seals, and body o-rings with lightweight hydraulic oil. Do not
lubricate body profile seals.
2. Place rod seal into rod guide. Install new rod guide bushing into position flush with hub.
3. Replace piston seals.
4. Place new profile body seals into the rod guide and rear head with open end facing outwards. If o-rings are
provided, place o-rings in the provided grooves.
5. Reassemble components in the following order: rear head, body, piston assembly, and rod guide assembly.
BODY
BODY SEAL
ROD GUIDE
ARBOR
PRESS RAM
CYLINDER
SOCKET
6. Place three (3) posts or magnet tracks into position, apply Loctite 242, 243, or 248 to screws or tie rods and
hand thread into assembly.
IMPORTANT: Do not torque screws without first compressing seals.
7. Compress seals using an arbor press and socket. While cylinder is compressed, tighten three (3) socket
screws by hand. Torque three (3) screws per the table below. When properly assembled, posts will not spin.
Bimba
25150 S. Governors Hwy
University Park, IL 60484
Tel: +1 800 44 BIMBA
Fax: +1 708 235 2014
Email: [email protected]
Website: www.bimba.com
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Bimba Blue and Improved Flat-1® General Operating instructions

Brand
Bimba
Model
Blue and Improved Flat-1® General
Type
Operating instructions
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