Raynor RapidCoil RC300 Series Technical Manual - Chapter 4:

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Chapter 4: 

Lubrication and Maintenance 

4.1. Door  lubrication 

4.1.1. Lubrication of door new install 

It is required to lubricate the door on install and minimally on an annual basis. This section will 

instruct in the proper way to lubricate this RAYNOR RapidCoil™ door.  

Only use the RAYNOR recommended lube to lubricate the door. 

Tools required for the lubrication procedure: 

  DFLS 406 (tube)

  Small paint brush

  Clean shop towel

  Ladder or lifting device

After door has been properly installed, power applied and limits properly set, place door in the 

open position and press in the E-stop.  Make sure no dirt, debris or dust from the installation is in 

the inner guide or on the zipper teeth of the curtain.  If there is dirt, debris or dust present please 

clean before performing lubrication procedure. 

1.  Use ladder or lifting device to get to the top of the inner side guide.

2.  Starting at top run a bead of DFLS 406 down each side of the inner guide, continue 

running the down to the about the last third of the guide. See Figure 4-1.

Figure 4-1: Lube positioning 

3.  Using small paint brush spread DFLS 406 in the inner guide to a light film in all inner 

surfaces. Wipe off any grease that gets outside of the inner part of the guide.  See Figure 

4-2.