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SERVICE
MANUAL
HIIT® ROWER
Core Health & Fitness
Page 1
MAINTENANCE ............................................................................................................................................. 2
PART LIST ............................................................................................................................................. 4
EXPLODED VIEWS .......................................................................................... 6
REPLACEMENT PROCEDURES ...........................................................................................................................................12
REPLACING THE FLYWHEEL ........................................................................................12
REPLACING THE DRIVE SPROCKET ........................................................................................14
LUBRICATING THE JOINT ........................................................................................19
FIXING A LOOSE SEAT ........................................................................................20
CLEANING THE SEAT TRACK ........................................................................................21
REPLACING SEAT ROLLERS ........................................................................................22
BUNGEE INSTALLATION ........................................................................................24
SUPPORT AND SERVICE ...........................................................................................................................................26
TABLE OF CONTENTS
Page 2
TOOLS
Working on this product will require basic and/or sometimes specialty tools based on the type of
service that will be performed at any time. To assist, we recommend having the tools listed available
when performing maintenance.
Tool
Socket Set, SAE Screwdriver Set, Phillips
Socket Set, Metric Rubber Mallet
Socket driver USB - Flash Drive
Open end wrenches, SAE Loctite 680
Open end wrenches, Metric Loctite 242
Hex Bit Socket Set, SAE Adjustable Wrench
Hex Bit Socket Set, Metric Adjustable Pliers
Torque Wrench
MAINTENANCE
Page 3
With durable, high performance components, this equipment is designed for heavy usage with minimal maintenance
required. To keep it in top condition, perform regular daily, weekly and monthly preventive maintenance routines out-
lined below.
WARNING: The safety and integrity of this machine can only be maintained when the equipment is regularly ex-
amined for damage and wear and repaired. It is the sole responsibility of the owner of this equipment to ensure that
regular maintenance is performed. Worn or damaged parts must be replaced immediately or the equipment removed
from service until the repair is made.
MAINTENANCE SCHEDULE
Daily Weekly Monthly Bi-Annually
General Maintenance
Oil Chain
1
X
Inspect Chain X
Tighten Slack Cord if Needed
2
X
Check Handle Connection X
Check Screws for Tightness X
Check Console Arm Joints, loosen or tighten as needed X
Cleaning
Wipe Down all Surfaces X
Vacuum under Unit X
Clean and Vacuum inside Flywheel X
1 - Lubricate the chain with a teaspoon of puried mineral oil, 3-IN-ONE® oil, or 20W motor oil. Apply oil to a paper towel, and rub the paper towel along entire length of
chain. Wipe o the excess. Repeat if needed. Do not clean the chain with any kind of cleaner or solvent, e.g. WD-40®.
2 - See BUNGEE INSTALLATION on page 17
INSPECTION
Inspect the frame for any rust, bubbling, or paint chips during the daily cleaning. The salt in perspiration can damage
the unpainted surfaces. Repair the damaged area with a touch-up paint kit purchased from
Core Health & Fitness (call Customer Service for order information).
Page 4
Directions in this manual refer to parts by the numbers below.
Enhanced Images: Pictures can be zoomed in to any level for detail. Use the standard zoom tools
for your platform to zoom in.
PART LIST
# SKU Qty Description
1 050-2142 2 LABEL, WARNING, PINCH POINT, ICON
2 050-5655 1 LABEL, GENERAL WARNING, HIIT ROWER
3 110-3672 3 NUT, M8 X 1.25, CS, NYLOC, BLK E-COAT, GR-10
4 110-3903 2 SCREW, M8x1.25-45mm, HHC, HE
5 110-4085 2 SCREW, 3/8-16, 5 3/4, HHC, HE, GR8, ZP, PT
6 110-4099 2 SCREW,M8 X 1.25, 110mm, SHC, HK, AS, CL-12.9, BLK E-COAT
7 110-4100 1 SCREW,M8 X 1.25, 120mm, SHC, HK, AS, CL-12.9, BLK E-COAT
8 110-4108 2 SCREW, M6x1.0,10mm, FHC, HE, AS, BEC, 10.9
9 110-4110 1 SCREW, 3/8”-16 X 4 1/4”, HHC, HE, AS, BEC, GRD-8
10 110-4111 9 NUT, 3/8-16, ECB, NYLOK HEX, ECB
11 110-4112 4 SCREW, PHP, M5x0.8x73, ECB
12 110-4113 4 SCREW,M6 X1.0, 25mm, BHS,HK, ECB
13 110-4115 8 NUT, M6X1.0, NYLOC, ECB
14 110-4116 19 SCREW,M6 X 1.0,20mm,BHC,HK, BEC
15 110-4118 2 SCREW, 3/8-16, 1 1/4, BHC, HK, AS, BEC
16 110-4119 2 SCREW, 3/8-16, 4 1/2, HHC, HE, AS, GR8, BEC, PT
17 110-4120 4 Screw, M8x1.25, 16mm, HCS, HE, CS, BEC, Gr-10.9
18 110-4121 4 Screw, M5x0.8, 10mm, THM, PH, BEC
19 110-4122 4 NUT,M5X0.8,NY,BEC
20 110-4125 2 SCREW, #8 X 1.25”, PHT, SS, FP, ECB
21 110-4128 14 SCREW, M5x0.8 - 15mm, 8.8, PHM, PH, ECB
22 120-0463 2 WASHER, 3/8 X 1 OD
23 711-3285 2 RIVET, FLUSH, LOCK, PUSH, Ø6.5mm
24 716-0004-XX 1 WELDMENT, REAR STABILIZER, HIIT ROWER
25 716-0005-XX 2 END CAP, STABILIZER, REAR, HIIT ROWER
26 716-0007-XX 1 CAP, REAR, SPINE, HIIT ROWER
27 716-0008 1 SPACER, LOWER, SPINE, HIIT ROWER
28 716-0009 1 SPACER, TOP, SPINE, ROWER
29 716-0011-XX 1 ASSY, SEAT HALF, ROWER
30 716-0012-XX 1 CAP, WEAR STRIP, HIIT ROWER
31 716-0014 1 UPPER RECEIVER, HINGE, HIIT ROWER
32 716-0015 1 BACKING PLATE, LOWER RECEIVER, HINGE, HIIT ROWER
33 716-0016 1 LOWER RECEIVER, HINGE, HIIT ROWER
34 716-0017 1 WEAR STRIP, TROLLEY, HIIT ROWER
35 716-0018-XX 1 ASSY, SEAT, HIIT ROWER
# SKU Qty Description
36 716-0021 6 SPACER, OUTER, ROLLER, SEAT, HIIT ROWER
37 716-0022 2 ASSY, ROLLER, TOP, HIIT ROWER
38 716-0024 2 TROLLEY PLATE, SEAT, HIIT ROWER
39 716-0025 1 ASSY, SEAT W/TROLLEY, HIIT ROWER
40 716-0028 2 ASSY, ROLLER, LOWER, HIIT ROWER
41 716-0030 1 AXEL, FAN ASSEMBLY, HIIT ROWER
42 716-0034 3 PRIMARY INNER SUPPORT AXLE, HIIT ROWER
43 716-0035-XX 1 NECK ASSEMBLY, HIIT ROWER
44 716-0036 1 SPROCKET, 14T, #25, 5/8-24ID
45 716-0037-XX 1 INNER FAN SHROUD, HIIT ROWER
46 716-0038-XX 1 LONG FORWARD SUPPORT, HIIT ROWER
47 716-0039-XX 1 SHORT FORWARD SUPPORT, HIIT ROWER
48 716-0040 1 PERFORATED AIR RESISTANCE ASSEMBLY, SS
49 716-0042-XX 1 OUTSIDE SHROUD, FAN, ROWER, HIIT
50 716-0044-XX 1 OUTSIDE ASSEMBLY, FAN, ROWER, HIIT
51 716-0045 4 PULLEY WHEEL ASSEMBLY, HIIT ROWER
52 716-0049 1 FRONT PULLEY INNER SUPPORT SPACER, HIIT ROWER
53 716-0050 2 FRONT CHAIN GUIDE PULLEY, HIIT ROWER
54 716-0051 2 FRONT CHAIN ALIGNMENT BUSHING, HIIT ROWER
55 716-0052 1 CHAIN ASSEMBLY, HIIT ROWER
56 716-0053 1 U-BOLT, HIIT ROWER
57 716-0055 1 BUSHING, PIVOT CONNECTOR, HIIT ROWER
58 716-0060-XX 1 TOP LOCK, CENTER LOCK, HIIT ROWER
59 716-0061-XX 1 HANDLE HOLDER, HIIT ROWER
60 716-0062-XX 1 AXEL COVER, HIIT ROWER
Ordering information as well as updated
Owner’s Manual, Installation Instructions,
Service Manual, Parts Lists, Service Bulletins,
Instructional Videos, and other information:
https://support.corehandf.com/HIITROWER
Page 5
# SKU Qty Description
61 716-0063-XX 1 CHAIN GUIDE, HIIT ROWER
62 716-0064-XX 1 SENSOR COVER, HIIT ROWER
63 716-0065-XX 1 CHAIN GUARD, HIIT ROWER
64 716-0066-XX 1 C-BEAM CAP, HIIT ROWER
65 716-0067-XX 1 C-BEAM LOWER COVER, HIIT ROWER
66 716-0069 2 BUNGEE TERMINATION CLIP, HIIT ROWER
67 716-0070-XX 2 C-BEAM TO NECK PILLARS, HIIT ROWER
68 716-0071 1 BUNGEE CABLE, HIIT ROWER
69 716-0073 1 CABLE, CONSOLE, HIIT ROWER
70 716-0074-XX 1 HANDLE, DRIVE ASSEMBLY, HIIT ROWER
71 716-0075 1 DRIVE ASSEMBLY, HIIT ROWER
72 716-0078-XX 1 RIGHT FRONT FOOT, FRONT SUPPORT, HIIT ROWER
73 716-0080 2 WHEEL, FRONT SUPPORT, HIIT ROWER
74 716-0081-XX 1 LEFT FRONT FOOT, FRONT SUPPORT, HIIT ROWER
75 716-0082-XX 1 ASSEMBLY FRONT SUPPORT, HIIT ROWER
76 716-0083 1 FLYWHEEL ASSEMBLY, HIIT ROWER
77 716-0087-XX 1 FRONT CAP STAY, HIIT ROWER
78 716-0088-XX 1 (LEFT) FOOT SUPPORT WELDMENT, HIIT ROWER
79 716-0094-XX 1 TOP PLATE, FOOT SUPPORT, HIIT ROWER
80 716-0095-XX 2 HEEL STRAP, FOOT SUPPORT, HIIT ROWER
81 716-0098-XX 1 (RIGHT) FOOT SUPPORT WELDMENT, HIIT ROWER
82 716-0099-XX 1 (RIGHT)TOP PLATE, FOOT SUPPORT, HIIT ROWER
83 716-0102-XX 1 FRONT HALF, HIIT ROWER
84 716-0104 2 SPACER, HINGE, HIIT ROWER, V2
85 716-0105 1 SPACER, PEDAL, HIIT ROWER
86 716-0106-XX 1 DISPLAY MOUNT ASSEMBLY, HIIT ROWER
87 716-0107 1 HIIT ROWER BLISTER PACK, HARDWARE CARD
88 718-5562 1 CABLE, SENSOR, DISPLAY, AIR BIKE
89 718-5986 1 HIIT DISPLAY ASSEMBLY 2
90 740-7164 4 Washer, M6, Ø6.5xØ16x1mm, SS
91 740-7301 2 NUT, M8X1.25, NYLOCK, SS
92 740-7898 8 Screw, M6x1.0, 20mm, SHC, HK, CS, ECB, Cl. 10.9
Page 6
72
91
87
75
46
74
92
73
47
4
14 64 61
60
62
3
20
82
81
80
63
59
21
14
83
55
78
2
57
56
71
85
70
80
79
7
6
72
91
87
75
46
74
92
73
47
4
14 64 61
60
62
3
20
82
81
80
63
59
21
14
83
55
78
2
57
56
71
85
70
80
79
7
6
Fig. 1
Front Half External
EXPLODED VIEWS
Page 7
88
12
67
90
14
13
9
12
63
43
69
10
8
18
86 89
88
12
67
90
14
13
9
12
63
43
69
10
8
18
86 89
Fig. 2
Console Mount Detail
Page 8
10
27
33
28
32
1
34
30
31
23
5
10
17
15
38
36
37
22
39
40
29
10
35
36
14
38
24
25
16
26
1
14
10
27
33
28
32
1
34
30
31
23
5
10
17
15
38
36
37
22
39
40
29
10
35
36
14
38
24
25
16
26
1
14
Fig. 3
Rear Half
Page 9
1483
13
14
3
77
41
65
42
71
68
52
44
54
83
84
51
10
42
14
54
14
58
42
83
66
14
6
1483
13
14
3
77
41
65
42
71
68
52
44
54
83
84
51
10
42
14
54
14
58
42
83
66
14
6
Fig. 4
Front Half Internal
Page 10
10
60
41
83
10
76
45
19
12
49
11
48
50
10
60
41
83
10
76
45
19
12
49
11
48
50
Fig. 5
Fan Detail
Page 11
34
40
17
15
10
36
22
38
16
37
36
10
35
34
40
17
15
10
36
22
38
16
37
36
10
35
Fig. 6
Seat Detail
Page 12
1. Loosen screw #110-4088 on the
air resistance assembly.
2. Remove (4) screws #110-4112
from (4) nuts #110-4122 then
remove the front assembly with
the screws.
110-4088
110-4122
110-4112
110-4088
110-4122
110-4112
Fig. 7
3. Remove the resistance band
#716-0040.
716-0040716-0040
Fig. 8
REPLACING THE FLYWHEEL
REPLACEMENT PROCEDURES
Page 13
4. Remove bolt #110-4111 to
remove ywheel assembly
#716-0083
TECH TIP: Replace the assembly
as directed; trying to replace
the components individually
will unbalance the ywheel and
may void your warranty.
716-0083
110-4111
716-0083
110-4111
Fig. 9
Page 14
REPLACING THE DRIVE SPROCKET
1. Loosen screw #110-4088 on the
air resistance assembly.
2. Remove (4) screws #110-4112
from (4) nuts #110-4122 then
remove the front assembly with
the screws.
110-4088
110-4122
110-4112
110-4088
110-4122
110-4112
Fig. 10
3. Remove the resistance band
#716-0040.
TECH TIP: Vacuum the
inside of the rower at this
step bi-annually or per your
maintenance schedule. Wipe
down the inner band while
cleaning.
716-0040716-0040
Fig. 11
Page 15
4. Remove bolt #110-4111 to
remove ywheel assembly
#716-0083
TECH TIP: Replace the assembly
as directed; trying to replace
the components individually
will unbalance the ywheel and
may void your warranty.
716-0083
110-4111
716-0083
110-4111
Fig. 12
5. Remove the rear half of the
rower and rotate front half to
access the lower cover.
Fig. 13
Page 16
6. Remove the lower cover
#716-0067-XX
716-0067-XX716-0067-XX
Fig. 14
7. Remove axle cover
#716-0062-XX
8. Remove nut #110-4111 then
bearing #130-1913 and outer
alignment ring #716-0033 from
axle.
716-0033
130-1913
110-4111
716-0062-XX
716-0033
130-1913
110-4111
716-0062-XX
Fig. 15
Page 17
9. Rotate handle and chain to pass
through console mount.
10. Feed chain until slack.
TECH TIP: Rotate handle as
necessary to pass through the
console mount
Fig. 16
11. Remove axle and sprocket from
the rower.
716-0072
716-0030
716-0072
716-0030
Fig. 17
Page 18
12. Remove the sprocket by
unthreading from the axle.
13. Replace old sprocket with new.
Fig. 18
Page 19
Fig. 19
1. If there is noise coming from the connection area during use, lubricate at the two indicated points with a thick
lubricant or grease.
LUBRICATING THE JOINT
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