Maintaining The Engine; Safety Shut-Off Switch; Replacing The Prime/Spray Valve - Titan SPEEFLO PowrLiner 850 Manual Del Propietário

1. Using a 9/16" hex wrench, loosen the hex screw on the
cable block.
2. Move the cable block in the appropriate direction to create
a gap of 1/16" between the trigger lever and spray gun
trigger.
a. Slide the cable block toward the gun to increase the gap
between the trigger lever and spray gun trigger.
b. Slide the cable block away from the gun to decrease the
gap between the trigger lever and spray gun trigger.
Spray gun
trigger
1/16" gap
Trigger lever
3. Tighten the hex screw securely.

Maintaining the Engine

NOTE: For detailed engine specifications and
maintenance, refer to the separate engine manual
supplied with this sprayer.
Routine Engine Maintenance
Daily
• Check and fill the gas tank.
• After the first 20 hours of operation, drain the oil and
refill with clean oil. Check the engine oil level and fill as
necessary.
Weekly
• Remove the cover of the air filter and clean the element.
Replace the element if necessary. If operating in an
unusually dusty environment, check the filter daily and
replace if necessary. (Replacement elements can be
purchased from your local Titan dealer.)
• After each 50 hours of operation: Change the engine oil.

Safety Shut-Off Switch

The safety shut-off switch is pre-set by the factory to shut down
the sprayer to prevent over-pressurization. Do not attempt to
adjust or tamper with the safety shut-off switch. Contact an
authorized service center if this setting requires adjustment.
NOTE: The safety shut-off switch should be set to shut
down the sprayer between 3200 – 3300 PSI.
© Titan Tool Inc. All rights reserved.
Cable block
(hex screw on back)

Replacing the PRIME/SPRaY valve

Perform the following procedure using PRIME/SPRAY valve
replacement kit P/N 759-380.
Before proceeding, follow the Pressure Relief
Procedure outlined previously in this manual.
additionally, follow all other warnings to reduce the
risk of an injection injury, injury from moving parts,
or electric shock.
1. Pry off the retaining clip from inside the recessed portion
of the valve knob. Remove the valve knob.
2. Slide the cam off of the stem/ball assembly.
3. Using a wrench, remove the hex nut from the pump head.
4. Remove the star washer, spring, and stem/ball assembly
from the pump head.
5. Using a 7/32" hex wrench, remove the stem/ball assembly
seat from the pump head.
Spring
6. Tighten the new stem/ball assembly seat into the pump
head. Use a 7/32" hex wrench. Torque to 6-8 ft./lbs.
7. Apply a light coating of hydraulic oil around the o-ring on
the new stem/ball assembly.
8. Push the stem/ball assembly into the stem/ball assembly
seat in the pump head.
9. Place the new spring and star washer around the stem/
ball assembly.
10. Slide the new hex nut onto the stem of the stem/ball
assembly, thread it onto the pump head, and tighten with a
wrench. Torque the nut to 12-14 ft./lbs.
11. Apply a light coating of grease to the top of the cam.
12. Slide the new cam onto the stem of the stem/ball
assembly and over the hex nut. The design of the cam
will allow the hex nut to fit inside the cam, causing the cam
to lock in position.
NOTE: Position the cam on the hex
nut so that the tab on the
side of the cam is as close
to the 12:00 position as
possible.
13. Place the new PRIME/SPRAY
valve knob over the cam with
the pointer on the knob as close
to the 9:00 position as possible.
Make sure the knob is pushed
completely onto to the cam (the
knob should cover the cam
completely).
11
Pump head
Seat
Stem/ball
assembly
Star washer
Cam
Hex nut
Valve knob
Retaining clip
Tab on cam in
12:00 position
Pointer on valve knob
in 9:00 position
SPRAY
English
Tab