Graco GH 833 User manual

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001
311493A
Instructions
GH833 Direct
Immersion Kit
- For installation of tower/bracket. -
Part No. 287843
Refer to GH833 operation manual. Before attempting
to install kit, follow Pressure Relief Procedure,
page 4.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
311279
311283
311484

2311493A
Fixed Mounting (optional)
To prevent damaging the unit when transporting it in
a truck or on a trailer, Graco recommends fixed
mounting to the vehicle.
Repositioning Handle
Before you can secure the unit to a truck or trailer bed,
you must reposition the handle.
1. Using a phillips screwdriver, remove the handle
sleeve screws (4).
2. Remove handle assembly by pulling it out of upper
frame handle tubes.
3. Remove frame tube plugs (2) located behind the
wheels.
4. Insert plugs in upper frame handle tubes.
5. Insert handle assembly into lower frame tubes. The
hose bracket should face down. Adjust to
appropriate in/out location.
6. Install sleeve screws (4) in lower frame tubes.
handle
upper
frame
handle
tubes
plugs
plugs
upper frame handle
tubes
handle
lower frame tubes

311493A 3
Securing Unit to Vehicle Bed
For fixed mounting, fasten U-bolts over sprayer frame as
indicated in the following illustration.
1. Reposition handle, steps 1-5, page 2.
2. Place U-bolts over sprayer frame and through holes
in vehicle bed. Place a washer and nut over bolt
end. Using a wrench, tighten nut securely.
Sprayer is a heavy piece of equipment. To avoid bodily
injury that could result from equpment moving when
transportating, always secure sprayer to vehicle.
U-bolts
U-bolts
Reposition Handle

4311493A
General Information
Pressure Relief Procedure
1. Engage trigger lock.
2. Set pump valve OFF.
3. Turn engine OFF.
4. Turn pressure to lowest setting.
5. Trigger gun to relieve pressure.
6. Turn Prime valve down.
Trigger Lock
Always engage the trigger lock when you stop spraying
to prevent the gun from being accidentally triggered by
hand or if dropped or bumped.

311493A 5
Removing Hydraulic Head and Pump
1. Follow Pressure Relief Procedure, page 4.
2. Allow unit to cool.
3. Remove (2) hydraulic lines from head and body.
4. Remove suction set from bottom of pump.
5. Remove (4) mounting bolts on pump assembly and
set assembly out of the way.
6. Remove (2) black plugs.
NOTE: Protect open hydraulic ports from debris and
contamination.
BURN HAZARD
Equipment surfaces and fluid that’s heated can
become very hot during operation. To avoid severe
burns, do not touch hot fluid or equipment. Wait until
equipment/fluid has cooled completely.
hydraulic lines
suction
set
pump
bolts
pump
assembly
hydraulic
ports
plugs

6311493A
Installing Direct Immersion Kit
1. Install tower/bracket into frame holes.
2. Install (4) retaining screws in frame to hold
tower/bracket in place. Torque to 165 +/- 10 in.-lbs
(13.8 ft.-lbs).
3. Install pump assembly over (4) frame bolts.
4. Torque bolts to 400 +/- 10 in-lbs (33.3 ft. lbs).
5. Install new, longer hydraulic lines (19, 20) from kit.
6. To purge air from hydraulic lines, increase pressure
enough to start hydraulic motor stroking and allow
fluid to circulate for 15 seconds. Turn pressure
down, turn prime valve horizontal (Off).
Pumping motion could result in bracket pulling out of
frame and cause serious injury. Always insert and
torque screws securely to insure this does not occur.
tower
bracket
frame
holes
frame bolts
pump
assembly
19
20
+
-

311493A 7
Using Direct Immersion
1. Apply pipe thread sealant (25) over male threads on
pump.
2. Attach female camlock (22) from kit over male
threads on pump. Tighten securely.
3. Position 55 gallon drum under pump assembly.
4. Unclamp and tilt tower/bracket back to first position.
5. Lock clamp into 1st position.
6. Install strainer (23) to bottom of intake tube (24).
MOVING PARTS HAZARD
Moving parts can pinch or amputate fingers and other
body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards
or covers removed.
• Pressurized equipment can start without warning.
Before checking, moving, or servicing equipment,
follow the Pressure Relief Procedure in this man-
ual. Disconnect power or air supply.
apply
sealant
pump
22
pump
assembly
drum
clamp
1st position

8311493A
7. Instal intake tube (24). Lock camlocks (22) to hold
tube securely in place.
8. Lower tube into 55 gallon drum.
9. Lock tower/bracket in place.
10. Ready to use.
Changing Drums
1. Tilt tower/bracket back and clamp securely in first
position.
2. Unlock camlocks (22) and remove intake tube (24).
23
24
24
22
clamp

311493A 9
3. Move unit and align new drum under pump
assembly.
4. Install intake tube (24). Lock camlocks (22) to hold
tube securely in place.
5. Lower tube into 55 gallon drum.
6. Lock tower/bracket in place.
7. Ready to use.
22
24
pump
assembly
drum
22
24

10 311493A
Transporting Unit
1. Unlock tower/bracket.
2. Tip tower/bracket back 90° to 2nd position for
transporting.
3. Lock in place.
CAUTION
Do not transport unit with head in vertical position.
When transporting unit securely tie down in vehicle or
follow instructions for fixed mounting to vehicle, page
2.
1st
position
2nd
position
2nd position