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HWP & HWT
SERIES
TABLE OF CONTENTS
1. Safety
1
1.1 Safety While Operating Your Engine
1
1.2 Safety while Operating Your Water or Trash Pump
2
1.3 Maintenance Safety
3
1.4 Other Safety Tips
3
2. Learn About Your Water Pump
4
2.1 Component Identification (HWP270 and HWP370)
4
2.2 Component Identification (HWT370)
5
2.3 Identification of Controls
6
3. Pre-Operation Check
9
3.1 Check the Oil Level
9
3.2 Check the Fuel Level
11
3.3 Prep the Air Filter
12
3.4 Hose Connections
13
4. Using your Pump
14
4.1 Pump Placement
15
4.2 Priming Water
17
4.3 Starting the Pump
18
4.4 Stopping the Engine
21
5. Maintenance
24
5.1 Maintenance Schedule
24
5.2 Changing the Oil
25
5.3 Air Filter Service
27
5.4 Spark Plug Service
28
5.5 Fuel Sediment Cup Service
29
5.6 Fuel Drainage
30
5.7 Spark Arrester Service
31
5.8 Cleaning
32
5.9 Transportation
33
5.10 Storage
33
6. Troubleshooting
34
7. Specifications
35
8. Pump Assembly
36
9. Limited Warranty
37