
Specify Unit Serial No., Part No., & Part Description
HYDRAULIC
20
Hydrostatic Drive System - PTO Driven
42 Series Pump
Return
From
Pump
To
Hydraulic
Tank
OPTIONAL
Return From
Solenoid
Valves
To
Solenoid V
alves
Auxiliary Pump
Suction
B
A
To Rear
Control Box
See "Drivelines - PTO to
Hydraulic Pump".
RH - Right Hand Pump Shown
For LH Main Pump Ref. 33:
High Presure Line is connected to "A"
Low Pressure Line is connected to "B".
IMPORTANT
Fill reservoir with clean Texaco Rando
oil HD 46, or Sunoco Sunuis 821WR
or equivalent hydraulic oil.
Install Sight Glass (Ref.14)
using a 6 or 12 point socket.
Asphalt
Pump
High Pre
ss
Low Pres
s
49
50
50
51
51
20
20
27
3
3
27
37
46
45
45
48 53
4
36
29
4
32
34
56
35
33
3
47
54
55
2
30
31
30
28
40
2
3
41
42
43 52
38
38
44
44
20
23 3
3
24
25
39
1
1
5
5
6
7
8
9
2
3
2
3
4
10
11
13
14
13
15
19
17
12
26
16
Charge Pump
Suction