Air Filter & Pre-Cleaner Service; Replace Spark Plug - Allis-Chalmers AC-130 Series Operator's Manual

Regular Maintenance
Air Filter & Pre-Cleaner Service
Service Interval: Pre-Cleaner: Every 25 hours or as
required. Air Filter: Every 50 hours or as required.
Replacement Interval: Pre-Cleaner: As required. Air
Filter: Every 200 hours or once per season.
Air Filter Removal & Installation
1. Unscrew the four knobs (A, Figure 25) by turning
counterclockwise.
2. Remove the cover (B). Remove the filter (C) and pre-
cleaner (D).
3. Install the pre-cleaner (D) with the mesh side up.
Install the filter (C) as shown.
4. Install the cover (B) making sure the tabs are inserted
into their slots. Secure by turning screws clockwise
until snug.
A
Figure 25. Air Filter Assembly
A. Knobs
B. Air Filter Cover
C. Air Filter
D. Pre-Cleaner

Replace Spark Plug

Service Interval: Yearly
Spark Plug Gap: .030" (.76 mm)
Replacement Spark Plug: Champion RC12YC
1. Stop the engine and allow it to cool.
2. Clean the area around the spark plug (see Figure 26).
3. Remove the spark plug.
4. Check the spark plug gap. It should be .030" (.76
mm).
5. Reinstall the plug into the cylinder head. Tighten the
plug to 180 in-lbs (20 Nm).
B
C
D
Figure 26. Spark Plug Gapping
26
.030"
(.76 mm)