Nilfisk-Advance Advolution 2710, Service Manual

Page: 14 / 60

14 - FORM NO. 56043107 - Advolution
™
2710 / UHR 70-1700
BURNISHING SYSTEM
PAD LIFT ACTUATOR REMOVAL AND INSTALLATION
WARNING!
Disconnect the battery pack by separating the battery connectors (7) whenever servicing the machine.
1 Disconnect the battery pack by separating the battery connectors (7) located underneath the drivers seat.
2 Disconnect the actuator wiring harness at the actuator lift motor.
3
See Figure 1 . Remove the (2) Hex Screws (A) that fasten the actuator Mount Bracket (B) .
4 Remove the Retainer Ring (C) . NOTE: Remove the retainer closest to the front of the machine. Then slide the mount pin (D) to the rear to
allow removal of the Actuator (E) from the machine.
5 To re-install follow the above instructions in reverse order. NOTE: See the Actuator Lift Nut Adjustment section in this manual for correct
lift nut adjustment setting as new actuators do not come pre-set.
PAD DRIVE DECK REMOVAL
WARNING!
Disconnect the battery pack by separating the battery connectors (7) whenever servicing the machine.
1 Disconnect the battery pack by separating the battery connectors (7) located underneath the drivers seat.
2 See Figure 1 . Remove the (2) Deck Springs (F) from the right side of the lower deck housing. NOTE: Use a pliers to assist in disconnecting
the springs. Having the deck in the up position will also make it easier (less tension).
3 Attach the Advance actuator adapter cord (P.N. 56407502) to the deck Actuator (E) and lower deck. This step is done to gain service access
to the motor wiring and lift linkage mount hardware.
4 Disconnect the deck’s Safety Switch (G) at its harness connector.
5 Remove the (2) pad motor wires. NOTE: Mark the Red (-) & Black (+)wire locations.
Service Tip: Measure the height of the Front to Back Deck Level Adjustment Screw (H) before disassembling (should be approximately 1-
1/8”(28.44mm)).
6 Loosen Lock Nut
(I) and thread it down. At the same time remove the Adjustment Screw (H) from the Pivot Shaft (J) .
7 Tap the Shaft (J) toward the rear tire to complete its removal.
Service Tip: The shaft is spaced with (2) Nylon Washers (K) , note their location for reassembly.
8 Slide the deck assembly out from under the machine.
PAD DRIVE MOTOR CARBON BRUSH INSPECTION
1 Follow instructions for Pad Drive Deck Removal .
2 See Figure 1. Remove the Motor Air Filter (L) . NOTE: Inspect the condition of the fi lter band and clean or replace as needed.
3 Remove the motor Brush Cover (M) secured by (4) Phillips head screws (N) .
4 Inspect carbon brushes and springs. NOTE: New carbon brushes measure 1-3/32 (28mm). If the brushes are less than 3/8” (10mm) long
they should be replaced.
5 Important Maintenance Tip: Always blow out motor before reassembling
6 Motor wiring tip: The Red cable goes to NEGATIVE Stand off on the motor and the Black cable goes to the POSITIVE Stand off on the
motor.