Summary of Contents for Minimizer LONG HAUL Series
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Service Manual Read and understand this manual before servicing this seat...
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• Fully inspect and test the equipment to ensure that the repair or service has been properly performed and the equipment will function properly. This manual describes the correct service procedures for the Minimizer Long Haul Seat series. The information in this manual was current at the time of printing and is subject to change without notice or liability.
General Information Important Hints Seat repairs should be carried out by service only. technicians The description in chapter 2 explains the removal of sundry seat components. The installation of these seats components generally happens in reverse sequence. Not all fastening parts for hoses and cables (e.g., cable binder) will be mentioned in detail.
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Option A & B Switch Not Shown will be located above feature 10, 11, & 12 switches Option C uses the remote...
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Serial number location: Serial number and model label are located at the front side of the lower frame of the suspension unit, and are visible when lifting up the Bellow. Please specify these numbers for spare part orders. Located Here Serial number found in the front middle of the lower frame.
Seats using Universal Riser: Disconnect air supply lines and electrical connections. Remove old seat from Truck and keep floor bolts. Position New Universal Riser so holes in riser line up with the holes in floor. Use original floor bolts to secure riser to floor. Remove 4 bolts at bottom corners of suspension.
Seats using 38.1 Risers: Remove old seat from Truck and keep floor bolts. Disconnect air supply lines and electrical connections. Position New 38.1 Riser so holes in riser line up with the holes in floor. Use original floor bolts to secure riser to floor. Remove 4 bolts at bottom corners of suspension.
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International Wide Bolt Pattern / Volvo / Late model PACCAR Risers Remove old seat from Truck and keep floor bolts. Disconnect air supply lines and electrical connections. Remove 4 bolts at bottom corners of suspension. Position riser to suspension by lining up top riser holes with threaded holes at bottom corners of suspension.
Seat Cushion Removal (Figure 1) Lift up lever (1) and pull seat cushion to foremost position. Undo two screws (2) and remove tilt handle (3) from seat cushion (F). Lift up lever (1) and slide sideways towards (A) as shown in the picture below.
Covers Seat Frame IPS-Valve, switches for heating, swivel and air-conditioning covers, lever side (5): Remove seat cushion. Adjust suspension to highest position and secure it with block between lower suspension axle and front frame. Press nose of shoulder adjustment lever (21) till nose of handle disengages. Pull off handle (21) downwards.
Lever / Lever Springs for Backrest Lever for backrest adjustment and lever springs Remove side cover for seat frame (lever side without loosening hoses) Remove e-clip (1), Remove handle (3) then remove springs (2) and (5) and remove shoulder handle bracket (6). Figure 5 Shoulder adjustment Remove e-clip (7) and roller (8)
Height Adjustment Handle/Cable Adjust seat frame tilt to the upmost position. Remove seat cushion. See page 9. Remove nut (2), remove Bowden cable (3) from fastening (4) and pull cable nipple (5) out of valve lever (6) Remove two screws (1), Push Bowden cable (3) out of bearing (7) and pull height adjustment handle and cable (8).
Shock Absorber Adjustment: Remove seat cushion. (see page 9) Remove retaining e-clip (1) and lever bowden cable (2-grey) out of shock adjustment bracket(3). Unscrew two screws (4). Knock pin (5) out of lever (6) and pull bowden cable out of seat frame Figure 7...
Lever for Tilt Adjustment Remove seat cushion.(see page 9) Remove side cover without disconnecting hoses (yellow, red and clear). Adjust seat frame tilt adjustment to upper position. Press down spring (1), unhook from fixation (2) and pull spring out from levers (3). Remove handle for height adjustment (6).
Adjustment instructions for Bowden cable of tilt adjustment Pull lever for tilt adjustment up. Adjust Bowden cable in a way, that between lever (1) and plate (2) so no gap is visible. The inclination adjustment must release completely and must move noiselessly when pulling the lever (no clattering of tooth segments).
Tooth segment for backrest adjustment Remove seat cushion. (See page 9) and Backrest (See page 13) Remove side cover for seat frame without disconnecting hoses or electrical connections. Remove e-clip (1) and loosen springs (2) at pin (3) of lever (4). Remove nuts (5) Slide plate (6) off.
Upholstery cover for backrest cushion Disconnect three lumbar/bolster air lines (1) Disconnect electrical connection on seats with Relaxer or Climate (3). Remove armrest. Unhook C Profiles (2). Pull cover upwards gently, and loosen from Velcro (6). Remove cardboard. Figure 11...
Cover for seat cushion Remove seat cushion. (see page 9) Pry upholstery tuck strip from bottom of seat cushion out of groove (2) running around seat pan (1). Notice: Before mounting the cover, bend hooks in the groove (2) from the seat pan (1), if necessary. Figure 12...
Air Chamber for lumbar support Remove backrest cover partially. Unscrew four screws (1) and loosen foam part from frame. Hint: Don’t tighten screws (1) when mounting the foam part. The distance between screw head (1) and shackle () should come to 1 mm. Disconnect three hoses (3).
Air Spring Remove seat cushion. (see page 9) Pull out Bellow fixation in front and side area. Secure suspension unit (4) at the highest position with block (length: 75mm) between the scissor axle and lower suspension frame. Remove lower shock absorber bolt (5) (refer to figure 15) lift up shock absorb (), and move out air spring (4) frontwards.
Height Adjustment When exchanging the shock absorber, all parts of the kit must be exchanged! Remove seat cushion and pull out lower bellow fixation. Secure suspension unit at the highest position by a distance block (length: 75mm). Undo nut (1), loosen screw (2) and remove socket (3). Unscrew lower shock absorber fixation (5).
Valve Removal for height adjustment Remove seat from vehicle, lay seat on its back side, access to valve is through bottom of suspension. Remove nut (1), remove Bowden cable (2 - black) from bracket (3) and pull cable nipple (4) out of valve lever (5). Carefully lift up fixing tabs (6) and Remove air pipes (7 –...
Switch for quick lowering Remove seat cushion. Remove plastic cover (1). Unscrew screw (2). Disconnect hoses () () () from connector (6). Unscrew screw () and unhook switch (7) in the upper area out of cover. Figure 17...
Tooth segment for shoulder adjustment (articulating back) Remove backrest cover and pull it upwards to the shoulder area. Unscrew bolt (1), nuts (2) and take off plate (3). Unhook spring (4). Remove retaining washer (5) and remove Bowden cable (6) from lever (7). Take out lever (7) and tooth segment (8).
Valve adjustment Lower seat and adjust Height Adjustment to upper position. Adjust Bowden cable (Black) by adjusting nut (1) so that the distance between lever (2) and air spring holder (3) comes to 2mm Figure 19 Bowden cable adjustment: Pull handle (5) to the upmost position and adjust Bowden cable (# - Color) of valve () for height adjustment in that way, that lever arm (?) has still a little clearance...
Swivel Remove pneumatic (2) and electrical lines. Remove seat from vehicle. Remove seat cushion (See page 9) Disconnect isolator cable, shock adjustment cable, height adjustment cable, and air lines, and electric. Remove the four screws that hold the slides to the swivel (). Place upper part of seat in safe location.
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Swivel Changeover Seats come from the factory with the swivel unit configured for the left side of the truck cab. If the seat is to be installed on the right side of a vehicle, the swivel unit must be reconfigured: Remove the seat cushion assembly.
Heating seat cushion Remove seat cushion. (See Page 9) Lever seat cushion cover out of beading (2) running around seat ground plate (1). Disconnect electrical connection (3). Pull off heater (4) carefully from the foam. Hint: If the heater (4) is not removable without tearing up the foam, cut the heater along the broken line X and pull back protective covering from adhesive on the new heater attach new heater on top of old heater.
Heating backrest Remove seat cushion.(See Page 9) Pull cover (7) upwards while loosening fixing tapes (6). Disconnect three air hoses (3), electrical connector (2) and electrical connector, () if existing. Unhook C-Profiles (4). Pull off heater (8) carefully from the foam. If the heater (8) is not removable without tearing up the foam (4), carefully cut the heater along the broken line X and fix the new heater on top the old heater.
Climate Kit Assembly Disconnect three air hoses (1) and two electrical connector (heater and fan) Unhook C-Profiles (2). Pull cover upwards while loosening fixing Velcro (6). Remove cardboard. Remove Foam from Backrest frame Disconnect electrical connection (10) and take out fan (9). Remove two screws (7) and one screw (8) out of fan (9).
Fan for seat cushion: Remove seat cushion.( See page 9) Remove four screws retaining fan assembly (3) to seat pan. Pull fan assembly (4) from seat pan. Hint: Before mounting the cover, bend hooks in the groove (2) from the ground plate (1), if necessary.
Electronic unit for Climate System: Remove seat cushion (See Page 9) Remove two top screws from side cover (17). Pull off connector from electronic unit (35). Remove electronic unit (35) Figure 24...
Lever/Bowden cable horizontal suspension Remove swivel from suspension Unscrew two screws (1). Remove latch clip (4). Unhook cable from latch (3) from lever (5). Pull lever (5) / Bowden cable (2) out of opening (6). Figure 25...
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Revitalizer System Revitalizer Motors (4 per backrest) Revitalizer Control Revitalizer Motors (2 per seat cushion) Revitalizer Electrical Connection (Red & Black Wire)
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Revitalizer Wiring Diagram for the driver’s seat...
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