September 2016
Service Manual
Hydraulic Power Unit
Part No. 38139
AWP Super Series • IWP
Super Series
83
3-4
Hydraulic Power Unit Components - Air Powered Models
(to SN AWP04-27778)
Index No. Description
Function
1
Air motor
100 psi / 6.9 bar @ 80 cfm / 37760 cc/sec
2
Exhaust Muffler
Controls sound emissions
3
Relief valve
Relief valve
4
Valve N.O. Air Pilot
Diverts pump output back to tank during motor start up
5
O
-ring
Seals tank
6
Hydraulic tank
3 quarts /
2.8 liters
7
Drain plug
Drains hydraulic tank
8
Sight gauge
Hydraulic fluid level
9
Tee fitting (models with Narrow or
Rough Terrain Base Option)
Tank vent adaptor
10
Plug fitting (models with Narrow or Rough
Terrain Base Option)
Plug
11
Suction strainer
Filters hydraulic fluid
12
Breather cap (from SN 3897
-
4545)
Hydraulic tank vent/filler
13
Breather cap (to SN 3897
-
4544)
Hydraulic tank vent/filler
14
Check valve
Pump output
15
Pump
0.7 to 1 gpm at 2000 psi / 2.6 to 3.76 L/min at 138 bar
16
Pump/Motor Adaptor Housing
Protects coupling components
17
Pump adaptor
Connects pump to spider coupler
18
Spider coupler
Connects motor to pump
19
Motor adaptor
Connects motor to spider coupler
