PaRTS BREakdOWN
MOdEL 520-6004 B 4 Ton Hydraulic Power Unit
ITEM NO.
PaRT NO.
1
2
*
3
*
4
*
5
6
*
7
*
8
9
10
*
11
12
13
*
14
*
15
*
16
17
18
19
20
21
520-6004 B & 520-6008 B
dEScRIPTION
Top Nut
O-Ring
Top Sealing Ring
Oil Piston
Reservior
Sealing Ring
Bottom Sealing Ring
Steel Ball 6
Ram Base
Sealing Ring
Dustproof Piston
Oil Tank
Shaft Ring
O-Ring
Washer
Piston Ring
Piston
Handle Yoke
Pin
R-Clip
Handle Yoke Linkage
QTY.
ITEM NO.
1
22
1
23
1
24
1
25
1
26
1
27
1
28
2
29
1
30
1
31
1
32
1
33
1
34
1
35
1
36
1
37
1
38
1
3
*Only available in seal kit, RS5040BSK
3
Only item numbers listed with a part number or included in the repair kits
are available for purchase.
1
5
PaRT NO.
dEScRIPTION
RS5040BHDL
Handle (incl. #22, 23)
Handle Bumper
Pump Core
*
Pump Ring
*
O-Ring
*
J Type Dustproof Ring
Pump Body
*
Sealing Ring
Screw
*
Square Sealing Ring
Pressure Set Screw
Pressure Set Spring
Pressure Set Valve
Square Sealing Ring
RS5040BRV
Oil Return Valve Rod (incl. #36-38)
Oil Return Valve Rod Handle
Screw
QTY.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Rev. 10/08/12