Tronair 5731, Operation & Service Instructions

Page: 29 / 119

Model: 5731
Hydraulic Power Unit
08/2016 | Rev. 08 Page | 24
9.5
FILTERS ( continued )
9.5.3 Hand Pump (Option M) Filter Element
Replacement of the hand pump filter element is dictated by frequency of use and the cleanliness of the fluid, along with the
environment to which the HPU is exposed. Changing the hand pump filter element at the same time as the pressure filter
element will ensure a regular maintenance schedule.
PARTS LIST
Fluid Type: Aviation Phosphate Ester, Type IV
Item Part Number Description Qty
2 & 3 ............................ K-3797 ............................................. O-ring and Backup Ring ........................................................... 1
1

3 ............................ K-3752 ............................................. Kit, Replacement Filter Element ............................................... 1
9.5 Filters continued on following page.
FIGURE 9.5.3

Hand Pump (Option M) Filter Element Replacement