John Deere — Replacing Single Stage Air Cleaner
Maintenance
From a John Deere owner's manual covering: 4045TF120, 6068HF158, 6068TF120, 6068TF250. Check it applies to your exact model before use.
Applies to: John Deere 4045TF120, John Deere 6068TF120, John Deere 6068TF250
Before you start
- ALWAYS REPLACE air cleaner when air restriction indicator shows a vacuum of 625 mm (25 in.) H2O, is torn, or visibly dirty.
- Do NOT overtighten body clamp.
Procedure
- If equipped, loosen body clamp.
- Loosen clamp around outlet neck.
- Remove air cleaner.
- Install new filter so that overlap of air cleaner outlet neck and engine intake pipe is to specification.
- Tighten neck clamp to specification. Tighten body clamp only until snug.
- Fully depress air restriction indicator reset button and release to reset indicator.
Specs & values
- Air Cleaner Neck to Engine Intake—Overlap 38 mm (1.5 in)
- Air Cleaner Neck Clamp—Torque 6.8 N·m (60 lb-in.)
Full service-parts list: John Deere 6068TF250 →
Source: John Deere owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.