3:1 SERIES OIL PUMP PART LIST
If the pump has anything wrong, please contact dealer or their technical supporter.
We don't recommend customer repair the pump themselves.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Code
Name
Quantity
Air motor cover
Piston
Air motor shell inside
Air motor shell outside
Bracket
Air control center
Slider
Gasket
Soft gasket
Securing washer
Bracket
Washer
Connect tube
Suction tube
Spring circlip
Valve seat
Filter or connector
Piston
Connecting shell
Connect shaft
Connect shell
Middle shaft
Air center cover
Slider shell
Piston shaft
Washer
Spring shell
Spring
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
31
32
33
98
99
100
101
102
103
204
206
207
208
209
210
212
213
214
215
217
205
211
216
Press piece
Nut
Outlet
Pin
Pin
Ball
Small circlip
Ball
Screw
O-ring
O-ring
Silencer
O-ring
O-ring
O-ring
O-ring
O-ring
U seal
Guiding
OD seal
O-ring
O-ring
Quick coupling
1
1
1
2
1
1
2
1
2
1
2
2
1
1
1
1
1
1
1
1
1
1
1
29
30
Spring seat
Trip shoe guide
2
2
Code
Name
Quantity
Appendix
3
Troubleshooting
Problem
Possible Causes Solutions
The pump continues to operate
after the gun trigger has been
released
Reduction of the oil delivery.
Or reduced pressure in the oil
delivery.
Air loss through the air exhaust
Oil leaks through the air exhaust
1.There is a oil leak at some point of the
circuit
2.Valve sets (part No.11 or 18 and 214,
215) close incorrectly due to dirt or
wearing.
1.Silencer(207) dirtied
2.Blocked at some point of the oil circuit
3.Ball valve ( 102) closes
incorrectly due to dirt or wearing.
1.The sliding valve (7) does not close
properly
2.Damaged O-ring(204, 205, 206,208,
209 or 211)
3.Damaged piston (2)
4.Damaged washer(26)
5.Broken spring (28)
Seal set (11) damaged
1.Check and tighten unions.
Repair the leak.
2.Substitute damaged elements
1.Clean or recharge silencer
2.Use clean oil
3.Substitute damaged elements
1.Disassemble and clean.
Substitute in case of damage
2.Substitute damaged elements
Substitute damaged elements