M601Z

M601Z ENGINE

M601Z/1a
Changes to the Maintenance Manual for WALTER M601B, B-1, D, E, Z engines.
Nov 3, 1987

M601Z/2a
The total number of landings recorded in the engine Log Book and considered at each removal of the engine from aircraft.
May 1, 1988

M601Z/3a
Use of adjacent cards „Engine Entered Service".
May 1, 1988

M601Z/4a
N25F-3 spark plugs.
May 18, 1989

M601Z/5a
Increase of power and speed on M601Z engine max. take-of regime
Jan. 1.1989

M601Z/6a
The 14 UA 41/R spark gap arc-over voltage control in the JT 607 C and JT 607 D systems.
Jan 1, 1989

M601Z/7a
Issue of M601-P10-12B, Appendix 2: Regulations governing the storage, preservation and de-preservation of M601 engines in operation.
Annex 1: Instruction Sheet for the replacement of oil permitted for use in
operation by M601 Engine Specifications.
Aug 8, 1989

M601Z/10a
Use of new oil kinds in M601D, E, and Z engines.
Jan 23, 1991

M601Z/11a
Addition of DIAGRAM 2-2 and DIAGRAM 2-3 to the service manual and info on how to proceed in case of insufficient engine power check
Dec 14 1992

M601Z/12a
Supplement of the list of preserving oils by KONKOR 103 (OK-5A) and specification of the mixture rate with the fuel (Aviation Kerosene) for engine preservation into the WALTER M601 Flight Operation Manuals.
Dec 18, 1992

M601Z/13a
Check of the gas generator rotor idle speed adjustment.
Nov 15, 1994

M601Z/14a
Changes to „M601Z Engine Maintenance Manual".
Nov 24, 1995

A M601Z/15a
Exchange of relief valve for fuel control unit LUN 6590.03, LUN 6590.04, LUN 6590.05, LUN 6590.06.
Oct 5, 2000

M601Z/16a
Replacement CHAMPION CH34630 spark plugs.
Feb 26, 2001

M601Z/17a
Improvement of the Electric Contact Between Spark Plug and Ignition Cable of the UNISON Ignition Exciter.
Jan 10, 2002