Generac Power Systems Pro 6712, Operator'S Manual

Page: 16 / 72

Maintenance and Troubleshooting
14 Owner’s Manual for Power Washer
Figure 4-6.Loosen Nuts
3. Push pump toward engine ( Figure 4-7 ).
Figure 4-7.Push Pump Toward Engine
4. Remove old belt and install new belt.
5. See
Figure 4-8 Pull pump away from
engine so bolt is approximately 2/3 of the
way through the pump bracket slot (A).
Tighten bolt.
Figure 4-8.Pull Pump Away From Engine
6. Tighten tensioning bolt (B) (page 14). The
pulleys should be aligned within 1° of each
other and the new belt should be
tensioned to ~90.5 lbs. (1/8” deflection
under 8.3 lbs. with a tension gauge).
7. Tighten all four nuts (A) (page 14).
8. Replace belt guard before running unit.
Engine Maintenance
Engine Oil Recommendations
To maintain the product warranty, the engine
oil should be serviced in accordance with the
recommendations of this manual. For your
convenience, maintenance kits designed and
intended for use on this product are available
from the manufacturer that include engine oil,
oil filter, air filter, spark plug(s), a shop towel
and funnel. These kits can be obtained from
an Independent Authorized Service Dealer
(IASD).
Climate determines proper engine oil
viscosity. See chart to select correct viscosity.
Figure 4-9. Oil Viscosity
* Below 50°F (10°C) use of SAE 30 will result
in hard start.
** Above 80°F (27°C) use of 10W30 may
cause increased oil consumption. Inspect
oil level more frequently.
Inspect Engine Oil Level
Inspect engine oil level prior to each use, or
every 8 hours of operation.
1. Place power washer on a level surface.
2. Clean area around oil fill.
3. See
Figure 4-10 . Remove oil fill cap and
wipe dipstick clean.
Figure 4-10. Engine Oil Fill
4. See Figure 4-11 . Screw dipstick into filler
neck.Verify proper oil level on dipstick.
000272
A
B
000273
000274
A
000130
SAE 30*
5W-30
10W-30**
000115