M620306-48VALVE COILBOBINA VALVOLABOBINE VANNE GAZ CHAUDHEISSGAZ VENTILSPULE
SPOUT SWITCH BRACKET
SUPPORTO MICROINTERRUTTORE
VALV. DI ESPANSIONE - ACQUA DOLCEDETENDEUR - EAU DOUCE
SUPPORT MICRO GOULOTTEMICRO SCHALTER ANLAGE
COLLIER DE SERRAGE EN PLASTIQUE
EXPANSION VENTIL. - SUSS WASSER
PLASTIKRINGMUTTER
6
MAR1400 and MAR2000 - Evaporator and Gear Reducer Assembly
ASSIEME EVAPORATORE/RIDUTTORE - ENS. EVAPORATEUR ET REDUCTEUR - VERDAMPFER UND GETRIEBE EINHEIT
ITEM NOPART NO
POS NOCODICE
REP. NOREFERENCEDESCRIPTIONDESCRIZIONEDESIGNATIONBESCHREIBUNG
REF. NOSTUECK NR
Subject: MAR1400 and MAR2000 Gear Reducers and V Belts
Gear reducer. The gear reducer for the MAR units has been changed. The new part number is
M620377-04 and is completely interchangeable with the prior gear reducer. The new gear reducer’s
use began with units mfg. in November 2002. The old gear reducer is marked VF 30/63. The new
gear reducer is marked VF/W30/63.
Drive motor mounting plate. The drive motor mounting plate has changed. The new part number is
M784350-06. It is completely interchangeable with the prior mounting plate.
Drive belt. The V belt used on the MAR units with the new gear reducer is different than the one
used with the prior gear reducer. The prior belt is part number M650422-22 (Z33). The drive belt to
use with the new gear reducer is M650422-18 (Z35).
Drive pulleys. The MAR drive pulleys are now anodized on the outside. There is no part number
change.
The motor and gear reducer pulleys for these two models has changed. The V belt between them
has also changed. The new pulleys are cast iron, the prior ones were aluminum. The prior V belt
(M650422-22 (Z33) is still available as are the pulleys.
The pulleys must be used with the correct V belt and cannot be mixed within a unit.
New Pulleys
Drive motor pulley,
standard
MAR1400M650879-05M650879-09M650879-10M650878-01
MAR2000M650879-07not usedM650879-10M650878-01
* Toothed type.
Prior Pulleys
Drive motor pulley,
standard
MAR1400M734597-31sameM734597-27
MAR2000M734597-46not usedM734597-27
** Z33 Used with VF/W30/63 gear reducer.
***Prior belt is Z35, Use with prior VF 30/63 gear reducer
Drive motor pulley
for thin ice
Drive motor pulley
for thin ice
Gear reducer pulleySPZ V Belt*
Gear reducer pulleyV Belt
M650422-22**
M650422-18***
M650422-22**
M650422-18***
Fiber Key Update
There are two fiber keys that connect the gear reducer drive shaft to the refrigerated drum. These are
item 22 of page 5 in the parts list. The update is that MAR1400 and MAR2000 use different keys:
·
MAR1400 key part number M741092-04
·
MAR2000 key part number M741092-03
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