Kobra S1 How to replace hotend/heat sink fan

Spare Part: https://store.dremc.com.au/products/anycubic-kobra-s1-replacement-fans-hotend-part-cooling-mainboard

Source: https://wiki.anycubic.com/en/fdm-3d-printer/kobra-s1-combo/hotend-cooling-fan-replacement-guide

Replacing the hot end cooling fan requires power off

 1. Tools:

S2.0 Allen key*1

S2.5 Allen key*1

 2. Disassembly steps:

 Step 1: Remove the outer shell

1. Pull outward to remove the print head front cover and remove the fan plug at the same time.

2.Use an S2.0 Allen key to unscrew the fixing screws of the rear housing of the print head.

 Step 2: Remove the hot end cooling fan

1.Remove the hot end fan harness plug.

2.Remove the wiring harness from the buckle.

3.Use an S2.0 Allen key to unscrew the hot end cooling fan fixing screws.

 3.Installation steps:

 Step 1: Install the hot end fan

1. Use an S2.0 Allen key to tighten the hot end cooling fan fixing screws.

 Step 2: Install the wiring harness

1. Insert the cable into the slot.

2. Insert the hot end fan harness plug into the print head main board

 Step 3: Install the print head housing

1.Use an S2.0 Allen key to tighten the fixing screws of the rear housing of the print head.

2.Align and plug in the model cooling fan harness head.

3.Tighten the print head housing inwards to ensure that the housing is not loose.