Troy-Bilt 1902 User manual

6
ASSEMBLY
IMPORTANT: Read entire owner’s manual before you
attempt to assemble or operate your new pressure washer.
Remove Pressure Washer from
Carton
• Remove the parts bag, accessories, and insert included
with pressure washer.
• Slice two corners at the end of carton from top to
bottom so the panel can be folded down flat, then
remove all packing material.
• Roll pressure washer out of carton.
Carton Contents
Items in the carton include:
• Main Unit
• Goggles
• Handle
• High Pressure Hose
• Spray Gun
• Nozzle Extension
• Oil Bottle
• Parts Bag (which includes the following):
• Owner’s Manual
• Engine Manual
• Owner’s Registration Card
• Maintenance Kit
• Handle Fastening Hardware Kit (which includes):
• Carriage Bolts (2)
• Plastic Knobs (2)
• “L” Hooks (2)
• Lock Nuts (2)
PREPARING PRESSURE
WASHER FOR USE
If you have any problems with the assembly of your
pressure washer or if parts are missing or damaged, call the
pressure washer helpline at 1-888-611-6708. If calling for
assistance, please have the model, revision, and serial
number from the model data decal available.
To prepare your pressure washer for operation, you
will need to perform these tasks:
1. Fill out and send in registration card.
2. Attach handle to main unit.
3. Add oil to engine crankcase.
4. Add fuel to fuel tank.
5. Connect high pressure hose to spray gun and pump.
6. Connect water supply to pump.
Attach Handle
1. Place handle assembly onto handle supports connected
to main unit. Make sure holes in handle align with holes
on handle supports (Figure 1).
NOTE: It may be necessary to move the handle supports
from side to side in order to align the handle so it will slide
over the handle supports.
2. Insert carriage bolts through holes from outside of unit
and attach a plastic knob from inside of unit (Figure 2).
Tighten by hand.
3. Insert one “L” hook through hole just under billboard
on left side of handle (viewing from rear of unit). Hold
hook in place with a pliers and attach locknut with a
7/16” wrench (Figure 3).
Align Holes
Handle
Handle
Supports
Figure 1 — Attach Handle to Base
Figure 2 — Secure Handle
3
Section Assembly

16
TROUBLESHOOTING
Problem
Cause
Correction
Pump has following
problems: failure to
produce pressure, erratic
pressure, chattering, loss
of pressure, low water
volume.
1. Nozzle in low pressure mode.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over 100°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump is faulty.
1. Pull nozzle backward for high pressure
mode.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten inlet hose, patch leak.
5. Check and clean inlet hose strainer.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace gun.
9. Clean nozzle.
10. Contact Authorized service facility.
Detergent fails to mix
with spray.
1. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged or cracked.
3. Dirty in-line filter.
4. Nozzle is in high pressure mode.
1. Insert detergent siphoning tube into
detergent.
2. Clean or replace filter/detergent
siphoning tube.
3. See “Check In-Line Filter”.
4. Push nozzle forward for low pressure
mode.
Engine runs good at no-
load but “bogs” when
load is added.
Engine speed is too slow.
Move throttle control to FAST position. If
engine still “bogs down”, contact
Authorized service facility.
Engine shuts down during
operation.
Out of gasoline.
Fill fuel tank.
Troubleshooting
7
Section

17
Notes
NOTES

18
Item Part # Description
1 192419GS BASE
2 B191874GS HANDLE
3 191909GS BILLBOARD
4 190249GS HOSE
5 192645GS KIT, Pump Mounting Hardware
6 192128GS KIT, Hook
7 B3263GS GUN
8 B2203GS KIT, Handle Connector
9 192310GS KIT,Vibration Mount
Item Part # Description
10 21760GS ORIFICE
11 192309GS KIT, Hook
12 192050GS KIT, E-Ring
13 B3335HGS WAND,Adjustable Nozzle
14 192311GS KIT,Wheel
15 23139GS KEY
16 189970GS ASSY, Pump (see page 19)
900 NSP ENGINE
EXPLODED VIEW AND PARTS LIST — UNIT
8
Section Exploded Views and Parts Lists
Items Not Illustrated
Part # Description
191424GS MANUAL, Owner’s
192423GS KIT, Decal
BB3061BGS OIL, Engine
191922GS KIT, O-RING MAINT & NZZL CLNNG

19
Section 8: Exploded Views and Parts Lists
EXPLODED VIEW AND PARTS LIST — PUMP
Item Part # Description
19 190571GS CAP, Oil
23 190626GS CARTER
28 190627GS MANIFOLD
29 190575GS O-RING
30 190576GS SCREW
34 190577GS CONNECTION, Chemical Inlet
45 190578GS PIN
46 190579GS VALVE, Seat Plate, Brass
47 190580GS VALVE, Seat, Stainless
62 190581GS CAP
68 190582GS BALL, Stainless Steel
69 190584GS O-RING
76 21783GS THERMO RELIEF
77 190586GS OIL BOTTLE
Item Part # Description
A 190709GS KIT,WOBBLE PLATE BEARING
B 190632GS KIT,WATER INLET,ALUM
C 190634GS KIT, OUTLET,ALUM
D 190710GS KIT, PISTON
E 190591GS KIT,CHECK VALVES
F 190592GS KIT, INLET CHECK
G 190593GS KIT, CHEMICAL INJECTION
H 190594GS KIT, UNLOADER STEM
J 189971GS KIT, CHEMICAL HOSE
K 190595GS KIT, SEAL SET
L 190596GS KIT, HEAD BRASS
NOTE: Item letters A - L are service kits and
include all parts shown within the box.