Tronair 5731, Operation & Service Instructions

Page: 39 / 119

Model: 5731
Hydraulic Power Unit
08/2016 | Rev. 08 Page | 34
9.7.3
Pressure Manifold Assembly (continued)
9.7.3.b Check Valve
The Check Valve does not require regular general maintenance.
PARTS LIST
Fluid Type: Aviation Phosphate Ester, Type IV
Item Part Number Description Qty

1 ............................ HC-2159 .......................................... Check Valve ............................................................................. 1
2 ............................ HC-2013-912 ................................... O-ring, Series 3 ........................................................................ 1
3 ............................ HC-2006-115 ................................... O-ring, Series 2 ........................................................................ 1
4 ............................ HC-2020-115 ................................... Backup Ring ............................................................................. 1

Item 1 consists of Items 2

4.
9.7.3.c
Bypass Valve
The Bypass Valve does not require regular general maintenance.
PARTS LIST
Fluid Type: Aviation Phosphate Ester, Type IV
Item Part Number Description Qty

1 ............................ HC-1927-06 ..................................... Needle Valve ............................................................................ 1
2 ............................ HC-2006-112 ................................... O-ring ....................................................................................... 1
3 ............................ HC-2013-916 ................................... O-ring ....................................................................................... 1
4 ............................ HC-2020-118 ................................... Backup Ring ............................................................................. 1
5 ............................ HC-2006-118 ................................... O-ring ....................................................................................... 1

Item 1 consists of Items 2

5.
9.0 Maintenance continued on following page.
FIGURE 9.7.3.c

Bypass Valve
FIGURE 9.7.3.b

Check Valve