31
Pre-Cleaner Assembly
Valve, Unloader
p/n C07-04504M-A
Fuel Filter V04-00308
Troubleshooting
Trouble
Possible Cause
Remedy
Frequent valve recycles
Damaged check valve O
-
ring Remove and replace
Leaking connections
Check or renew
Restricted bypass or too small
diameter of
the bypass hose
Clean or adapt
passage diameter
Valve does not reach
pressure
Piston O
-
rings worn out
Remove and replace
Debris between seat and
shutter
Clean the seat
Seat worn out
Remove and replace
Nozzle worn out
Remove and replace
Incorrect choice of nozzle
Fit with smaller nozzle
High pressure peaks at
gun closure
There is not a minimum of 5%
of total flow
discharged in bypass
Reset Correctly
Excessive flow in bypass
Change type of valve
or adjust passages
Adjustment with spring totally
compressed
Loosen adjustment
screw and eventually
fit with smaller nozzle
Valve does not
discharge
at low pressure at gun
closure
Jammed check valve
Jammed check valve
Debris on check valve
Clean
Maintenance Procedures
Every 400 working hours, check and lubricate the seals with water resistant
grease with water resistant grease.
Pre-Cleaner Assembly
1
7
5
2
11
10
8
4
3
9
6
ASSEMBLY, PRE-CLEANER
8
/
28
/20
15
ITEM
NO.
PART NUMBER
PART DESCRIPTION
QTY.
1
5355
-00130
WELDMENT, FRAME
1
2
53052V-10134
WELDMENT, MOUNT
1
3
5305A-00105
WELDMENT, CHASSIS - COIL
1
4
5305A-00401
ASSEMBLY, BURNER-OIL
1
5
F05-00529
ENGINE, GAS - 18HP,
Kohler
1
6
H04-31326
CAP, SCREW
4
7
H05-31300
WASHER, FLAT - 5/16
4
8
H06-31300
NUT, LOCK - 5/16"
8
9
H06-37500
NUT,LOCK-3/8-16UNC HEX
3
10
H06-50001
NUT, 1/2 - 20UNF
8
11
H10-50000
MOUNT, SHOCK
4
Summary of Contents for 5305A
Page 4: ...Month Day Year Operating Hours Maintenance Performed Machine Record...
Page 9: ...5 Trigger Gun Wand 11 Gun Wand Assembly...
Page 14: ...10 Control Panel 31 Coil Outlet Metering Valve Assembly...
Page 17: ...13 Meteing valve Valve Metering...
Page 42: ...38 Burner Burner Exploded View 4 Water Pump...
Page 51: ...47 Tank Assembly...
Page 53: ......
Page 54: ......
Page 55: ......
