Proheat M125 - Manual (Page 80)

BLOW THIS DIRECTION
WHEN USING
COMPRESSED AIR.
PROHEAT M-SERIES G-II PCM SERVICE MANUAL 5-3
6. Check Fuel System
• Check the fuel system for damage, cracks or hardening from aging
or leakage.
• Make sure the clamps on the fuel lines are secure.
7. Check Fuel Filter
• Remove and inspect filter. Clean or replace as necessary.
• Clean O-ring and seat.
• Refer to page 4-6, Step 2.
8. Clean Nozzle
• IInspect Fuel Nozzle stem and O-ring for contamination and/or damage.
Replace if damaged.
• Disassemble Nozzle, inspect and clean distributor (a soft bristled brush
may be used), fuel orifice, air passages, head and stem with electrical
contact cleaner or warm soapy water.
• DO NOT use a welding torch tip cleaner.
• Refer to page 4-7.
FUEL FILTER
O-RING
O-RING
ADAPTER TORQUE =100 ± 10 IN. LBS
(11.3 ± 1.1 NM)
INLET FITTING
TORQUE = 100
± 10 IN. LBS
(11.3 ± 1.1 NM)
THREAD
SEALANT
REQUIRED
TORQUE = SEE
SECTION 1.3
LUBRICATE
O-RING WITH
DIESEL FUEL
HOLD UPRIGHT
TO ASSEMBLE
Figure 5-3: Fuel Filter.
Figure 5-4: Fuel Nozzle.
ARROWS
SHOW HOW TO
TIGHTEN THE
NOZZLE