Mitek RoofTracker II, Service Bulletin

Service Bulletin SB229

SB229 rev. A

2 of 16

Original Instructions

Purpose and Scope

The ACS800 variable-frequency drive (VFD) in the RoofTracker II press is obsolete. This 
Service Bulletin explains how to replace it with an ACS880 VFD.

The parts included in all kits are shown in Table 1. Your specific VFD is shown in one of 
the following tables. Please ensure all parts are present before starting this procedure.     

Before beginning the procedure, gather the supplies listed here:

If you have a VFD running 415V or 460V power, gather the supplies listed here as well:

Table 1: Parts in all SB229KIT

Qty.

Part Description

Part #

1

Service Bulletin

SB229

1

Encoder interface module

509305

1

Digital IO extension module

509296

4

#10-32X3/4'' screws

341106

Table 2: Parts in SB229KIT-A

Qty.

Part Description

Part #

1

ACS880 VFD 208V (programmed)

92294-501

Table 3: Parts in SB229KIT-B

Qty.

Part Description

Part #

1

ACS880 VFD 230V (programmed)

92294-502

Table 4: Parts in SB229KIT-C

Qty.

Part Description

Part #

1

ACS880 VFD 415V (programmed)

92295-501

Table 5: Parts in SB229KIT-D

Qty.

Part Description

Part #

1

ACS880 VFD 460V (programmed)

92295-502

• Phillips screwdriver set

• Ruler (preferably metal)

• Slotted screwdriver set

• Thin permanent marker

• Torx screwdriver set 

• Multimeter

• Drill

• #10-32 tap

• #21 drill bit

• Vacuum

If you have any 
questions, call 
MiTek Machinery 
Division Customer 
Service at 
800-523-3380.