TO REPLACE O- RINGS INSIDE VALVE ASSEMBLY
a) Unscrew Lock Nut at the end of the
HT500
Handle.
b) Remove Handle Cover.
c) Slide out Valve Assembly while placing your
finger over the Spring Seat. BE CAREFUL NOT
TO LET THE SPRING AND THE SPRING SEAT
SHOOT OUT FROM THE HOUSING
d) Clean all parts with alcohol only.
e) Replace
OS730
O-Ring Set (set of 3).
f)
Lube new O-rings with
OL111
O-Ring Lube.
Valve Assembly
Handle
Cover
Lock Nut
DAILY MAINTENANCE
WEEKLY MAINTENANCE
SC525
MS229 OS133
©
®
®
©
AF625
©
OS731
FC639
©
OS132
When installing OS133, the HT01
should go thru the OS133.
®
Desoldering
Head Housing
• Remove and inspect Tip and Heater Assy.
• Inspect all Filters
• Remove solder debri from Desoldering Head
Housing
• Inspect Valve Assy.
• Inspect all O-Rings and Seals
TO REPLACE FILTER & O-RING INSIDE
DESOLDERING HEAD ASSY.
1. Pull out FC639 from Housing.
2. Unscrew SC525 from FC639 to remove
AF625.
3. Insert new AF625 inside SC525 and screw
back on.
4. Clean and apply OL111 on OS731 & OS132
O-Ring.
CAUTION: Make
sure the wires are
not pinched by
Valve Assembly.
Spring Seat
OS730
O-ring set
HT01
OS133
© -
Clean
® -
Replace
