Disassembly and Reassembly
46
Internal Oil Filter
In the first quarter of 2014 four cylinder
compressors with an internal oil filter were phased
into truck and trailer units that typically use
compressors with external oil filters. The internal
oil filter is located in the compressor sump near
the oil pickup tube.
Removal
1. Remove the oil sump if necessary (see “Oil
Sump and Oil Pickup Screen” on page 44).
2. Remove the nut that fastens the internal oil
filter to the stud on the oil pickup tube bracket.
3. Remove the internal oil filter from the oil
discharge tube.
Installation
1. Place the internal oil filter on the oil discharge
tube and the stud on the oil pickup tube
bracket. Be careful to avoid damaging the
O-ring in the oil filter.
2. Install and tighten the nut that fastens the
internal oil filter to the stud on the oil pickup
tube bracket.
3. Install the oil sump (see “Oil Sump and Oil
1.
Oil Discharge Tube
2.
O-Ring
3.
Internal Oil Filter
4.
Pressure Relief Valve
5.
Oil Pickup Tube
6.
Stud On Oil Pickup Tube Bracket
Figure 59: Internal Oil Filter
1
2
3
4
5
6
1.
Stud On Oil Pickup Tube Bracket
Figure 60: Remove Nut from Stud
1.
Internal Oil Filter
2.
Oil Discharge Tube
Figure 61: Remove Internal Oil Filter from Oil
Discharge Tube
1
1
2