Graco LDI 160 Airless User manual

OWNER‘S MANUAL
308–133
Rev. V
Supersedes T
0001F
4.0 HP GASOLINE-POWERED AIRLESS LINESTRIPER
Model 160 Airless
3000 psi (210 bar, 21.0 MPa)
Maximum Working Pressure
Model 231–149, Series C
With one gun, RAC IV

DripLess T ip guard,
Size 317 LineLazer T ip & Size 517 SwitchT ip,
and 50 foot (15 m) hose.
Model 231–151
Same as 231–149, except includes
Second Gun Kit, 224–097
LINEAR DYNAMICS INC., 400 LANIDEX PLAZA, P ARSIPPANY, NJ 07054
(201) 884–0300
Graco Inc. is registered to I.S. EN ISO 9001
LINEAR DYNAMICS INC.
This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE

 
Part Identification
0001F
Key
A Caster
lever
B Dual gun selector
C Main hose
D Suction hose
E Fluid filter
F Pressure drain valve
G Arm
H Post
J
Carriage bar
K Gun holder
L Rac IV tip guard
M Switch T ip
N
Flex gun
O Displacement pump
P Caster
Q
Dual gun selector cable
R Pressure control
S Spark plug cable
T Air Cleaner
U Muffler
V
Fuel T ank
W
Hook eyelet (use to strap
pail or pail cover to cart)
X Pail cover
Y Caster Cable
Z Grounding cable and clamp
AA Collar
A
B
C
D
E
F
G
HJK
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA


Table of Contents
Warnings 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fueling 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Second Gun and Hose Installation 11. . . . . . . . . . . . . . .
Flushing 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray T ip and T ip Guard 15. . . . . . . . . . . . . . . . . . . . . . .
Gasket Selection 15. . . . . . . . . . . . . . . . . . . . . . .
Installation 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearing a Clogged T ip 15. . . . . . . . . . . . . . . . .
Maintenance 15 . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray T ip Selection 16. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray T ip Application Recommendations 16. .
Spray Techniques 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Width Adjustment 16. . . . . . . . . . . . . . . . . .
Positioning the Gun Arm Assembly 17. . . . . . . . . . . . . .
Vertical position of the first or second gun 17.
Horizontal position of the first gun 17. . . . . . . .
Horizontal position of the second gun 17. . . . .
Mount guns on the engine side of the cart 18.
Setup for spraying arcs 18. . . . . . . . . . . . . . . . .
Adjust Simultaneous Gun T riggering 18. . . . . . . . . . . . .
Gun Arm Positions 19. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Caster Lever & Cable Operation 20. . . . . . . . . . . . . . . . .
Operation 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 20 . . . . . . . . . . . . . . . . . . . . . . . . . .
Caster T ire Replacement 20. . . . . . . . . . . . . . . .
Caster Cable T ension Adjustment 20. . . . . . . .
Caster Alignment 20. . . . . . . . . . . . . . . . . . . . . .
How to Mount the Gun 20. . . . . . . . . . . . . . . . . . . . . . . . .
Gun Cable & Dual Gun Selector Operation 21. . . . . . .
How the Dual Gun Selector W orks 21. . . . . . .
How to Release the Selector Cable 21. . . . . . .
Adjust the T rigger Cable T ension 22. . . . . . . . .
Maintenance 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair or Replacement
Pressure Control 26. . . . . . . . . . . . . . . . . . . . . . .
Pressure Control Adjustment 27. . . . . . . . . . . .
Bearing Housing and Connecting Rod 28. . . .
Drive Housing 29. . . . . . . . . . . . . . . . . . . . . . . . .
Pinion Housing 30. . . . . . . . . . . . . . . . . . . . . . . .
Clutch 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field & Wiring Harness 35. . . . . . . . . . . . . . . . .
Clamp 36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch Housing Removal 36. . . . . . . . . . . . . . . .
Reassembly 37 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Pressure
Control Parts 39. . . . . . . . . . . . . . . . . .
Cart Parts 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Parts 42. . . . . . . . . . . . . . . . . . . . . .
Gun Mounting Parts 44. . . . . . . . . . . . . . . . . . . .
Pinion Parts 45. . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Change Summary
This manual has been updated to include items 194–196 and to change item 2 from 238–361 to 240–484.

4 308-133
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
equipment if you do not follow the instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury .
D
This equipment is for professional use only .
D
Read all instruction manuals, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are not sure, call your distributor .
D
Do not alter or modify this equipment.
D Check equipment daily . Repair or replace worn or damaged parts immediately .
D Do not exceed the maximum working pressure of the lowest rated system component. Refer to the
T echnical Data on page 46 for the maximum working pressure of this equipment.
D Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Tech-
nical Data section of all equipment manuals. Read the fluid and solvent manufacturer ’ s warnings.
D Do not use hoses to pull equipment.
D Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose
Graco hoses to temperatures above 82 _ C (180 _ F) or below –40 _ C (–40 _F).
D
Do not lift pressurized equipment.
D Comply with all applicable local, state, and national fire, electrical, and safety regulations.
DW ear hearing protection when operating this equipment.
D Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or
fluids containing such solvents in pressurized aluminum equipment. Such use could result in a
chemical reaction, with the possibility of explosion.

5308-133
WARNING
INJECTION HAZARD
Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely
serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also
cause serious injury .

Fluid injected into the skin may look like just a cut, but it is a serious injury . Get immediate medi -
cal attention.

Do not point the gun at anyone or at any part of the body .
 Do not put your hand or fingers over the spray tip.
 Do not stop or deflect leaks with your hand, body , glove or rag.
 Do not “blow back” fluid; this is not an air spray system.
 Always have the tip guard and the trigger guard on the gun when spraying.
 Check the gun dif fuser operation weekly . Refer to the gun manual.
 Be sure the gun trigger safety operates before spraying.
 Lock the gun trigger safety when you stop spraying.
 Follow the Pressure Relief Procedure on page 7 if the spray tip clogs and before cleaning,
checking or servicing the equipment.
T ighten all fluid connections before operating the equipment.
 Check the hoses, tubes, and couplings daily . Replace worn or damaged parts immediately . Do not
repair high pressure couplings; you must replace the entire hose.
 Fluid hoses must have spring guards on both ends, to help protect them from rupture caused by
kinks or bends near the couplings.
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,
inhaled, or swallowed.
 Know the specific hazards of the fluid you are using.
 Store hazardous fluid in an approved container . Dispose of hazardous fluid according to all local,
state and national guidelines.
 Always wear protective eyewear , gloves, clothing and respirator as recommended by the fluid and
solvent manufacturer .
FUEL HAZARD
The fuel used in this unit is combustible and when spilled on a hot surface can ignite and cause a fire.
 Do not fill the fuel tank while the engine is running or hot.
EXHAUST HAZARD
The exhaust contains poisonous carbon dioxide which is colorless and odorless.
 Do not operate this equipment in a closed building.