USAfixTM - Repair Guide (RG) - Master Email RG
- Check Compression
 Level of Difficulty - High  Estimated Completion Time - 30 minutes
MINUTE - M-220024K17C

Tools Required
Tool 
Compression Tester
Crescent wrench
Ratchet-Socket standard 13/16 in

Parts Required


Step Procedure & Parts & Tools
1 LOCATE SPARK PLUG WIRE

2 PULL TO DISCONNECT SPARK PLUG WIRE

3 LOCATE SPARK PLUG
Crescent wrench

4 UNSCREW SPARK PLUG
Ratchet-Socket standard 13/16 in

5 PULL TO REMOVE SPARK PLUG

6 TWIST COMPRESSION TESTER IN SPARK PLUG OPENING ON ENGINE
Compression Tester

7 DON’T START MACHINE, JUST TURN ENGINE OVER, IF COMPRESSION IS BETWEEN 90 AND 100PSI, COMPRESSION IS OK.
Compression Tester

8 COMPRESSION TEST BOTH SPARK PLUGS AND REVERSE STEPS 2 THRU 5 TO REASSEMBLE MACHINE
Compression Tester
Ratchet-Socket standard 13/16 in
Crescent wrench