L.B. White I-34 Infraconic Pilot Ignition - Manual (Page 15)

The instructions apply to both pilot designs.
1. Loosen injector tube screw.
2. Loosen pilot tube compression nut at gas inlet to pilot
assembly.
3. Remove thermocouple from pilot safety control valve.
4. Slightly pull control assembly with pilot tube away
from injector body.
5. Loosen orifice holder.
6. Remove pilot orifice from its holder.
7. Clean orifice.
■
Use care when servicing InstaClear™ orifice to avoid
damage to clean-out pin.
PILOT ORIFICE, INSTACLEAR ™ & STANDARD
15
CONTROL ASSEMBLY
INJECTOR TUBE
RETAINING SCREW
INJECTOR BODY
PILOT TUBE
COMPRESSION NUT
CLEAN-OUT
ORIFICE HOLDER
ORIFICE
STANDARD PILOT
FIG. 13
CONTROL ASSEMBLY
INJECTOR TUBE
RETAINING SCREW
PILOT TUBE
COMPRESSION NUT
ORIFICE
HOLDER
ORIFICE
INJECTOR BODY
FIG. 12
INSTACLEAR ™ PILOT
CLEAN-OUT
W/ ORIFICE HOLDER
ORIFICE
PILOT BRACKET
ORIFICE
HOLDER
PILOT ORIFICE
PILOT BRACKET