Air Cleaner Cartridge Replacement - Hobart Jet-Ex 4D Operation And Maintenance Manual

OM-2063 / Operation and Maintenace Manual
Jet-Ex 4D / Spec. 7003A-3 and 7003B-3 / Generator Sets
e. Remove filler cap on valve cover and refill crankcase with new, clean oil of proper
specification and viscosity, ( see Para. 2, E, (2) and Figure 4) 7 quarts are required when oil
filter is changed.
f. Start engine and allow it to idle. Oil pressure should come up to normal quickly. Check for oil
leaks at filter and drain plug.
g. Stop engine. Allow several minutes for oil to drain to crankcase, then check oil level. It should
be at FULL mark on dipstick.
h. Check hourmeter and record time of oil change.
i. Change engine oil filter (100 hours)
j. Place a container under the oil filter to catch oil drippings.
k. Loosen filter with a special oil filter removal wrench. Several types are available. Discard oil
filter.
l. Coat the gasket on the new filter with oil.
m. Place the new filter in position on the cylinder block and spin on until the gasket contacts the
adapter face; then hand tighten another 1/2 turn. Do not over-tighten.
n. Start engine and check filter gasket for leaks.
3. Servicing the Air Cleaner
Refer to Figure 5. The air cleaner is a dry type with replaceable filter cartridges. A definite time schedule
for changing the filter cartridge cannot be determined because of varying operating conditions. Change
the filter cartridge when the red indicator "flag" becomes fully visible in the viewing chamber (9) and
locks in that position. Change the cartridge as follows:
a. Cartridge Removal
(1) Open left front canopy door to gain access to the air cleaner.
(2) Remove clamp assembly from air cleaner, and remove cup assembly with the baffle.
(3) Remove wing nut and washer gasket.
(4) Remove cartridge, and replace it with a new cartridge.
Chapter 2-3
Page 4

Air Cleaner Cartridge Replacement

Figure 5
Dec 31/92