General Instructions
B-7102 MAIN-SPRING ASSEMBLY REPLACEMENT
B-7102 MAIN-SPRING ASSEMBLY REPLACEMENT
To replace model B-7102 main spring:
• Turn off or lockout air/fl uid supply to reel and bleed off remaining pressure. Re-
move supply hose to inlet swivel.
• Remove all tension; see "Tension Adjustment." Unwind hose from reel and remove
hose clamp (8mm nut).
• Disconnect metal tube assembly from swivel inlet (11/16" swivel nut).
• Slide fl at wrench provided between spool assembly and support frame onto shaft to
hold it from turning during the next step.
• Remove spool from mounting frame (22mm nut)
• Remove inlet swivel assembly by loosening hex end (25mm)
• Remove (4) Philips head screws and take off outer drum half.
• Remove (3) nuts (10mm).
• Remove then replace main-spring assembly. Install (3) nuts (10mm).
• Reverse procedure to reassemble and re-tension reel (see "Tension Adjustment")
SWIVEL REPLACEMENT
SWIVEL REPLACEMENT
NOTE: Swivel only sold as complete assembly. If o-rings leak, complete swivel
must be replaced.
To replace swivel:
• Turn off or lockout air/fl uid supply to reel
• Remove all tension from reel (see "Tension Adjustment")
• Disconnect supply hose to swivel
• (Fig. 12) Remove swivel by loosening hex end.
Disconnect spool hose or on B-7102 models, the metal
tube assembly.
• Reverse above procedure and install new swivel (use
Tefl on tape or sealant on connections; on B-7102
models the metal tube assembly does not require thread sealant)
O-RING REPLACEMENT
O-RING REPLACEMENT
CAUTION: Carefully replace o-rings making sure not to damage machined seal-
CAUTION: Carefully replace o-rings making sure not to damage machined seal-
ing surfaces. O-ring life and sealing ability may otherwise be affected. Hazards
ing surfaces. O-ring life and sealing ability may otherwise be affected. Hazards
or unsafe practices may result in minor personal injury, product or property
or unsafe practices may result in minor personal injury, product or property
damage.
damage.
To replace o-ring:
• Remove swivel from reels as "Swivel Replacement" procedure
• Remove retaining ring and slowly remove outer swivel from
inner shaft
• Remove old o-rings and back-up rings
• (Fig. 13) Install new o-rings and back-up rings, using supplied
lubricant
• Reverse above procedure and install new swivel (use
Tefl on tape or thread sealant on hose connections; on B-7102 models the metal
tube assembly does not require thread sealant.)
10
Fig. 12
Fig. 13