Notations used in this Repair Manual ................2 Safety precautions ......................4 Disclaimer of warranties and limitation of damages .............6 Notification ........................6 Service tools Nikon service tools .......................7 Standard service tools ....................7 Illustrated Service Parts List Parts Removal and Replacement Procedures Before disassembling the Product ................11 During the repairing ....................
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FN BUTTON RING UNIT ........................24 CONTROL RING UNIT ........................25 MIDDLE RING UNIT A ........................26 MF RING UNIT ............................ 27 MIDDLE RING UNIT B ........................28 GASKET .............................. 29 TRIPOD ATTACHING RING ....................... 29 EYELET RING ............................ 32 NAME RING UNIT ..........................
This Repair Manual is subject to revision without notice. ● Failure to follow the repair instructions or to use appropriate Nikon parts or tools may cause fire or other safety issues and lead to personal injury or death. Failure to follow the repair instruc- tions or to use appropriate parts or tools may damage the Product or other property, or compro- mise the Product's functionality or water resistance (if applicable).
This symbol indicates important information in this manual. Product identification information The NIKKOR Z 800mm f/6.3 VR S serial number is written on NAME PLATE as illustrated below. Serial number ● The serial number may be required when you contact Nikon with CAUTION regards to the Product.
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Read this first ● No part of this Repair Manual may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form, by any means, without Nikon's prior written permission. ● Illustrations shown in this Repair Manual may differ from the actual Product.
Product from being able to be attached and will cause problems when shooting. In such cases, accurate adjustments and repair will be required and it is recommended that you contact Nikon for service repairs. ● If the Product contains a lithium-ion battery, then inappropriate use, transportation, recycling, re- use, or disposal of the lithium-ion battery may cause a fire, explosion or other damage or injury.
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Safety policy and procedure ● All Product safety issues must be managed according to the following points. If any of the following conditions are visible, stop repairing the Product and contact Nikon's cus- tomer service at www.nikonproductsupport.com. – There are burnt or melted components or traces on the outside of the Product, or other heat- related damage (including scorching on charging terminals or other connection terminals).
● All the information, descriptions, materials, and products provided on or in connection with this Repair Manual are provided by Nikon on an "as-is basis" and "the form that can only be provided if possible'' unless otherwise expressly specified in writing by Nikon. With respect to the infor-...
This section shows the tools used to repair products. The standard service tools are commercially available and can be purchased from third party retailers. Nikon hereby disclaims all responsibility and liability for any tools or other items purchased from third party retailers.
Illustrated Service Parts List ● The parts marked in red in the illustration cannot be replaced indi- vidually as replacing them will affect the optical performance. If you need to replace these parts, use the No.53 LENS UNIT (JMA50251- IMPORTANT 0950).
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Item code Parts name Q'ty JMA50251-1435 FRONT RUBBER JMA50251-1483 DOUBLE STICK TAPE JMA30151-1641 GASKET JMA50251-0235 HOOD MOUNTING RING UNIT JMA50251-1492 SCREW JMA50251-1432 GRIP RUBBER RING JMA50251-1436 BUTTON RUBBER RING JMA50251-0902 FN BUTTON RING UNIT 9747-1750-07 SCREW JMA50251-1510 WASHER 0 to 1 JMA50251-1511 WASHER 0 to 1...
Parts Removal and Replace- ment Procedures Before disassembling the Product ● As for the Product powered on by the power switch, before disas- sembling the Product, be sure to check that the Product is powered off and that the battery has been removed. ●...
Reference Pages for Replacement Procedures by Major Parts TRIPOD BASE replacement procedure Disassembly P. 13 Assembly P. 36 MOUNT replacement procedure Disassembly P. 14 Assembly P. 34 – P. 36 TRIPOD ATTACHING RING replacement procedure Disassembly P. 14 – P. 19 Assembly P.
TRIPOD ATTACHING RING Rotate the TRIPOD ATTACHING RING to remove a total of 3 components from the lens. ROLLER SHAFT (JAA53551-1470) × 3 ROLLER (JAA53551-1469) × 3 SCREW (JAA53551-1468) × 3 WASHER (Contains a WASHER with one of the following item codes.) Item code Parts name JMA50251-1466...
(JMA50251-1405) Use a spanner (3.6 mm wide) SCREW (JMA50251-1406) TRIPOD KNOB UNIT (JMA50251-0473) TRIPOD ATTACHING RING (JMA50251-1245) GASKET GASKET (JMA30151-1641) × 2...
MIDDLE RING UNIT B SCREW (9617-1430-04) × 4 MIDDLE RING UNIT B (JMA50251-0229) WASHER (Contains a WASHER with one of the following item codes.) Item code Parts name JMA50251-1518 WASHER JMA50251-1525 WASHER JMA50251-1519 WASHER JMA50251-1528 WASHER MF RING UNIT MF RING UNIT WASHER (JMA50251-...
MIDDLE RING UNIT A SCREW (9767-1445-07) × 4 MIDDLE RING UNIT A (JMA50251-0228) WASHER (Contains a WASHER with one of the following item codes.) Item code Parts name JMA50251-1514 WASHER JMA50251-1515 WASHER JMA50251-1527 WASHER CONTROL RING UNIT CONTROL RING UNIT (JMA50251-0239) WASHER (Contains a WASHER with one of...
HOOD MOUNTING RING UNIT SCREW (JMA50251-1492) GRIP RUBBER RING × 6 (JMA50251-1432) HOOD MOUNTING RING UNIT (JMA50251-0235) CONTACT UNIT Double stick tape CONTACT UNIT (JMA50251-0640)
Assembly CONTACT UNIT Double stick tape CONTACT UNIT (JMA50251-0640) HOOD MOUNTING RING UNIT Reference position for mounting SCREW (JMA50251-1492) × 6 0.18 N·m GRIP RUBBER RING (JMA50251-1432) HOOD MOUNTING RING UNIT (JMA50251-0235) Index Hole closing tape...
FN BUTTON RING UNIT Reference position for mounting Upper side FN BUTTON RING UNIT (JMA50251-0902) BUTTON RUBBER RING (JMA50251-1436) Lower side SX720B Apply to 4 area Reference position for mounting Relay FPC SCREW (9747-1750-07) × 4 0.18 N·m...
CONTROL RING UNIT CONTROL RING UNIT (JMA50251-0239) WASHER (Refer to the table below for item codes.) FT-900P Item code Parts name Thickness * JMA50251-1510 WASHER JMA50251-1511 WASHER JMA50251-1512 WASHER * Thickness increases in order from A (thinnest) to C (thickest). •...
MIDDLE RING UNIT A Index SCREW (9767-1445-07) × 4 Marking 0.13 N·m MIDDLE RING UNIT A (JMA50251-0228) WASHER (Refer to the table on the right for item codes.) Assemble it so that the marking is on the right side of the index. FT-900P Item code Parts name...
MF RING UNIT MF RING UNIT (JMA50251-0901) Upper side WASHER (Refer to the table on the right MF RUBBER for item codes.) RING (JMA50251- FT-240P 1431) Lower side Item code Parts name Thickness * JMA50251-1517 WASHER JMA50251-1526 WASHER JMA50251-1516 WASHER * Thickness increases in order from A (thinnest) to C (thickest).
MIDDLE RING UNIT B SCREW (9617-1430-04) × 4 0.1 N·m MIDDLE RING UNIT Index B (JMA50251-0229) Reference position for mounting WASHER (Refer to the table below for item codes.) FT-240P Item code Parts name Thickness * JMA50251-1518 WASHER CONTACT UNIT JMA50251-1525 WASHER JMA50251-1519...
GASKET GASKET (JMA30151- 1641) × 2 TRIPOD ATTACHING RING OS-20P FT-900P FG-3X FT-240P TRIPOD ATTACHING TRIPOD ATTACHING RING (JMA50251-1245) RING (JMA50251-1245)
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FG-3X Apply to the point of screw. LOCTITE 241 (JMA50251-1405) Use a spanner (3.6 mm wide) SCREW (JMA50251-1406) 0.18 N·m TRIPOD KNOB UNIT (JMA50251-0473) TRIPOD ATTACHING RING (JMA50251-1245)
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WASHER (Refer to the table below for item codes.) NAME PLATE (JMA50251-1310) Double stick tape Item code Parts name Thickness * JMA50251-1466 WASHER JMA50251-1467 WASHER * Thickness increases in order from A (thinnest) to B (thickest). • If you replace the TRIPOD ATTACHING RING, you will need to adjust the WASHER size.
Rotate the TRIPOD ATTACHING RING to attach a total of 3 components to the lens. ROLLER SHAFT (JAA53551-1470) × 3 ROLLER (JAA53551-1469) × 3 SCREW (JAA53551-1468) × 3 0.2 N·m EYELET RING Apply to 1~2 screw thread (8 area) ThreeBond 1401C OS-20P OS-20P OS-20P...
NAME RING UNIT SCREW (9744-1730-07) × 4 0.17 N·m NAME RING UNIT (JMA50251-0230) FILTER GUIDE UNIT SCREW (9747-1445-07) × 2 0.1 N·m FILTER GUIDE UNIT (JMA50251-0226)
TRIPOD BASE TRIPOD BASE RUBBER (136F1) SX720B SCREW (B2-20050FD2) × 6 TRIPOD SCREW (S) (136AG) 0.3 N·m TRIPOD SCREW (L) (1369X) TRIPOD BASE (1369K) SCREW (9670-4010-07) × 4 0.3 N·m ● Perform the following inspection after repairs involving disassembly and assembly. IMPORTANT •...
– Focus charts can be purchased at stores that sell camera-related products or online stores that sell camera-related products. – Nikon hereby disclaims all responsibility and liability for any focus charts or other items purchased from third party retailers. Camera settings ●...
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● Diffraction correction: ON ● Automatic distortion correction: ON ● Vignette control: Standard ● Body VR: OFF ● Exposure delay mode: one to two seconds ● AF fine adjustment: OFF Shooting environment Install the camera/lens and chart, referring to the figure below. Shoot in a location that meets the following requirements: ●...
AF accuracy inspection Follow the steps below to inspect the AF accuracy. Inspection procedure Adjust the camera position 1. Adjust the shooting distance so that the entire focus chart is displayed on the screen as shown in the image below. •...
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Shoot the chart 1. Press the release button to shoot the target chart. 2. When checking before disassembling, check the inside of the red frame in the image, and record the focus position. 3. When checking after disassembling, confirm that there is no difference from the focus position recorded before disassembling.
Control Ring Inspection Pro- cess When performing repairs that involve disassembling or reassembling the mount, inspect the control ring. Tools and parts required: ● Your mirrorless camera Control ring inspection Follow the steps below to perform a control ring inspection. Inspection procedure Check the functions assigned to the control ring 1.
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• If no function is set on the control ring, set one of the following functions. The setting names may differ depending on the camera model. Check the operation of the control ring 1. Rotate the lens control ring and check whether the assigned function is working. •...
MF Ring Inspection Process When performing repairs that involve disassembling or assembling the mount, inspect the MF ring. Tools and parts required: ● Your mirrorless camera MF ring inspection Inspection procedure Attach the lens to your mirrorless camera. Rotate the MF ring and check that the focus function works.
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