SkyTrak 6036 Service Manual - Manual (Page 128)

Section 8B Cummins Engine
8B-8 Model 6036/6036T S/N 9B0500 thru 14833
Fig. 8B.13 Remove Elements and Sealing Rings and
Clean Sealing Surfaces of Filter Head
MA1730 MA1720
8B.6 ENGINE MAINTENANCE
EVERY 500 HOURS
OR 6 MONTHS
All checks or inspections listed under daily or
previous maintenance intervals must also be
performed at this time in addition to those listed
under this maintenance interval.
8B.6.1 Replace Fuel Filter Elements
1. Unlock and open the right rear engine access
door.
2. Clean the area around the fuel filter head.
3. Use filter wrench and remove and discard the
elements and the sealing rings. Clean the
sealing surfaces of the filter head, Fig. 8B.13.
4. Refer to SKY TRAK Parts Manual and select
filter elements.
MA1740 MA1750
Fig. 8B.14 Fill and Lubricate the Elements
5. Fill the new elements with clean No. 2 Diesel
Fuel and lubricate the sealing rings with clean
lubricating oil, Fig. 8B.14.
IMPORTANT: Mechanical over-tightening may
distort the threads or damage the sealing rings.
6. Install the filters as specified by the manufac-
turer, hand tighten only, Fig. 8B.15.
7. Controlled venting is provided at the injection
pump through the fuel drain manifold, Fig.
8B.16. Small amounts of air introduced by
changing the filter elements will be vented
automatically if the elements were filled with
fuel prior to installation.
8. Close and lock the right rear engine access
door.
8B.6.2 How to Bleed the Fuel System
NOTE: Manual bleeding is required if:
• The fuel filter is not filled prior to installation.
• Injection pump is replaced.
• High pressure fuel line connections are
loosened or lines replaced.
• Initial engine start up or start up after an
extended period of no engine operation.
• Vehicle tank has run empty.
IMPORTANT: DO NOT start the engine until the
injection pump has been filled and primed as the
pump can be severely damaged due to lack of
lubrication.
Remove air from the fuel system as follows:
NOTE: More than one person may be required to
perform this procedure.
Fig. 8B.15 Hand Tighten Filter Elements
MA1570 MA1580