jcb JS300 Service Manual page 751

Table 5. Port Identification
Item Port Function
36 T4 Tank (Option)
37 pa1 Travel (R) Forwards
38 Option ARV / Blank
39 pa2 Hammer.Auxiliary Option
40 pa3 Swing Left
41 pa4 Boom 2 Up (Boost)
42 Arm In ARV
43 pa5 Arm 1 Out
44 T7 Tank (Option)
45 par1 Tab/Option
46 ARV TAB/Option
47 pbu Drain
48 pa9 Arm 2 Out
49 pa8 Boom 1 Up
50 Boom Down ARV
51 pa7 Bucket Open
52 Bucket Open ARV
53 pa6 Travel (L) Forwards
54 DR3 Drain
55 T5 Tank (Option)
location,K Fig 6. ( T
For port
E-90
E-89).
9813/5100-1
Section E - Hydraulics
Hydraulic Control Valve
Layout
E-90