HW7500E/HW7500EL Portable Electrical Generator Owner’s Manual www.honeywellgenerators.com 23
Engine Oil
Changing Engine Oil
1. Place the generator on a flat, level surface.
2. Start engine and run until warm.
3. Stop engine.
4. Place oil pan, or other container suitable for holding
engine oil, underneath generator.
5. Using a socket wrench with 12 mm socket and exten-
sion, loosen drain plug bolt partially to allow oil to flow
slowly.
6. Remove drain bolt and sealing washer.
7. Allow oil to drain into oil pan or container.
8. Slowly unscrew and remove oil fill cap.
9. Allow oil to completely drain into oil pan or container.
10. Using clean cloth, wipe around oil fill and drain plug
areas to clean any dirt and debris.
11. Reinstall sealing washer and drain plug bolt.
12. Pour new (unused) engine oil into oil fill hole using
funnel. (See Figure 33 for recommended oil type).
Do not overfill.
13. Check oil level.
14. Reinstall oil fill cap and tighten until fully seated.
NOTE:
Dispose of used motor oil according to guidelines estab-
lished by your local or state government.
Frequent or prolonged contact with engine oil may cause skin
cancer.
• Immediately after handling engine oil, thoroughly wash
hands and any areas of skin exposed to engine oil, with
soap and water.
To change engine oil, you will need:
3/8” socket wrench with 12 mm 6 pt. socket and
3” extension
Oil drain pan or other container suitable for holding
engine oil
Funnel
Clean cloth
Unused engine oil (SAE type indicated in Fig-
ure 33)
Crankcase pressure can cause hot engine oil to
spray out of engine fill hole. Hot engine oil can
cause severe burns.
• ALWAYS stop engine before removing oil fill cap.
FIGURE 37: Oil Drain Bolt
FIGURE 38: Loosen Oil Drain Bolt
WARNING
WARNING
FIGURE 39: Remove Oil Fill Cap
FIGURE 40: Oil Draining from Generator
FIGURE 41: Engine Oil Dipstick—Oil Level Indicator