4250 Airless Sprayer™
ALWAYS wear safety goggles or protective eye-wear when operating the unit
!
4250™ Manual / 3947.0816
AIRLESS PUMP PARTS
Item
Part
Item
Number
Description
Number
Number
Description
Number
#23** Inlet Valve
10000694
#24** Outlet Valve
10000694
** Both #22 and 23 available in kit #10000694 only
#25
Diaphragm Kit
10004135
#26
Spray pump, airless
10003945
#27
Prime/spray control Valve
10004000
#28
Pressure Control knob
N/A
#29
Outlet Push button
10000806
#30
Suction hose filter
10001760
#31
Suction hose sleeve
10003932
#32
Suction Hose
10003959
#33
By-Pass hose (re-circulating)
10003960
#34
Suction hose washer (pkg of 5) 10000711
#35
Snap on lid for Airless
10003964
#36
5 Gallon Pail
10002838
#37
5-gallon pail Strainer (pkg of 5) 10003569
AIRLESS PUMP DETAIL
NEVER REMOVE FRONT COVER, PRESSERE ADJUSTING VALVE OR THE PUMP HEAD BLOCK.
THIS WILL VOID THE WARRANTY.
CALL THE FACTORY FOR SERVICE LOCATIONS IF THESE ITEMS REQUIRE SERVICE.
ITEM
CHECK
*REPLACE
Spray tips
517 2”-6” Pavement
619 2”-6” Turf
Before each use
Every 75-500 gallons
Or when line quality becomes
poor
Suction filter
10001760
Before each use
If filter becomes clogged.
Gun filter
10000641
Every 25 gallons or if gun does
not spray
REPLACE ONLY DO NOT CLEAN
every 50-250 gallons
Outlet push button
10000806
Before each use
Every 1000-1500 gallons or if
leaking
*Inlet valve
If pump does not prime
check washer at same time
Every 500-1000 gallons.
Washer- Every 50-250 gallons
*Outlet valve
If pump does not prime
*Inlet/Outlet valve kit 10000694
Every 500-1000 gallons
Prime/Spray Valve
10004000
Only if it stops working
Every 1000-1500 gallons
or if it stops working
Suction tube
Before each use
Check for nicks and cuts
Bypass tube
Before each use
Check for nicks and cuts
Prime/spray
Control #27
Outlet Valve #24
Front Cover
NEVER REMOVE
Pump Head block
NEVER REMOVE
Pressure adjusting Valve
NEVER REMOVE
Inlet valve #23
Bypass/Return
hose #33
Pic 8
Pic 9
