Giant Crest 34 User manual

1
August 2019
Model Year:
MY20
Model Name:
Crest 34

2
目錄 CONTENTS
保固及售服政策 WARRANTY & AS POLICY ......................................................................................3
保養區間 SERVICE INTERVAL............................................................................................................3
避震前叉拆解 SUSPENSION FORK DISASSEMBLY.............................................................................4
上下叉拆解 UPPER/LOWER LEG DISASSEMBLY......................................................................................4
氣壓室拆解 AIR SPRING SIDE DISASSEMBLY..........................................................................................6
阻尼側拆解 DAMPER SIDE DISASSEMBLY .............................................................................................8
避震前叉組裝 SUSPENSION FORK ASSEMBLY................................................................................10
阻尼側組裝 DAMPER SIDE ASSEMBLY ...............................................................................................10
氣壓室組裝 AIR SPRING SIDE ASSEMBLY............................................................................................12
上下叉組裝 UPPER/LOWER LEG ASSEMBLY........................................................................................14
更換阻尼棒 DAMPER CARTRIDGE REPLACEMENT .........................................................................17
更換線控 REMOTE CONTROL REPLACEMENT.................................................................................20
各部件扭力值 TORQUE VALUE INFORMATION..............................................................................27
潤滑標準 STANDARD OF LUBRICATION..........................................................................................28
下叉腳保養 LOWER LEG MAINTENANCE........................................................................................29
氣壓側及阻尼側保養 AIR SPRING AND DAMPER SIDE MAINTENANCE.........................................30
O-RING/X-RING 指南 O-RING/X-RING INDICATION ..................................................................31
防塵套更換 WIPER SEAL REPLACEMENT........................................................................................32
售服清單 AFTER SERVICE LINEUP...................................................................................................33

3
保固及售服政策 Warranty & AS Policy
1. Warranty period: 2 years from date of purchase.
2. Warranty cases need to be registered on WPS.
i. GMCs need to reply to warranty cases within 2 days.
ii. GMCs will decide whether or not to return defective forks or not.
3. For the first year, defective forks need to be sent back from dealers to GSCs.
4. For warranty claims that happen in the first half of MY20:
i. All warranty cases will be replaced with a new fork.
ii. GSC Service Centers will practice repairing defective forks.
5. Warranty claims that happen in the second half of MY20:
i. GSC Service Centers will start repairing defective forks.
6. 保固期：消費者購買日起 2 年。
7. GSC 必須登錄在 WPS，GMC 必須在 2 日內回覆是否將不良品寄回 GMC 做進一步的分析。
8. 新品上市第一年，GSC 必須要求 Dealer 將不良品寄回。
9. 產品上市前半年：
i. 提供新品免費替換，並將不良品寄回。
ii. 前半年 GSC Service Center 必須針對不良品進行維修的練習。
10. 產品上市下半年起：
i. 依據上半年的不良品維修經驗，由 GSC Service Center 進行維修。
保養區間 Service Interval
保養區間
Service interval
保養內容
Maintenance
每一次騎乘後
After each ride
清潔上叉管及防塵套
Clean stanchions and wiper seals
每 50 個小時 After
50 hours of riding
保養下叉腳
Lower leg maintenance
每 200 個小時或滿一年 After
200 hours of riding or 1 year.
保養氣壓側及阻尼側
Air spring and Damper side maintenance

4
避震前叉拆解 Suspension Fork Disassembly
工具清單 Tool list
避震器打氣筒
膠槌
萬用鉗
尖嘴鉗
游標卡尺
一字起子
鑷子
24 mm 套筒與 F型扳桿
3/4/5/6mm 六角扳手
Shock pump w/ air release
Plastic mallet
Universal grip pliers
Needle-nose pliers
Vernier caliper
Flathead screwdriver
Tweezers
24 mm socket w/ F-type socket wrench
3/4/5/6 mm Hex Keys
上下叉拆解 Upper/Lower Leg Disassembly
1
取下貫通軸
Remove the thru axle.
2
取下回彈調整鈕
Remove the rebound adjustment knob.
CAUTION: DO NOT RELEASE ALL AIR PRESSURE BEFORE
STARTING DISASSEMBLY. A MINIMUM PRESSURE OF
50psi IS NECESSARY TO BEGIN PROCEDURE.

5
3
用 6 號六角板手拆下氣壓側及阻尼側底部螺
絲
Using a 6 mm hex, remove the bottom bolts of
the air spring and damper sides.
4
先把 LSC 調至 Open 的位置，將螺絲旋入 2~3 圈，使用膠槌敲打，分離下連桿與下叉腳
Open LSC (low speed compression) knob. Loosen the bolt two or three turns and use a plastic
mallet to gently tap it out.
5
取下螺絲，分離連桿及下叉腿
Remove the bolt and separate the connecting rod and lower leg.
Se
6
取出油泡棉，浸泡至 Mobil SHC 627。Remove sponges and soak in Mobil SHC 627. Other
oils may be used; please check with Giant ASQA for confirmation. Never use alcohol to clean.

6
氣壓室拆解 Air Spring Side Disassembly
1
逆時針旋開氣壓室上蓋
Unthread the air spring cap by turning it in a
counterclockwise direction.
2
緩慢的使用六角扳手或避震器打氣筒洩氣
Gradually release air pressure by using a 2mm
hex or a shock pump with an air release button.
3
使用 24MM套筒逆時針旋開氣壓室螺絲，取出
氣室墊塊。
Remove air chamber cap using a 24mm socket
and turning in a counterclockwise
direction.
Release air slowly!

7
4
使用 24mm 開口扳手拆開氣壓室下方螺絲，取
出活塞。
Unthread the bottom nut of air chamber using a
24mm open wrench and turning in
counterclockwise direction.
Remove the piston.
5
可使用 6mm 六角扳手調整氣室墊塊。 鎖緊扭力：2Nm
Adjust air tokens using 6mm hex and a torque value of
2Nm.

8
阻尼側拆解 Damper Side Disassembly
1
使用一字起子拆開阻尼側上蓋。
註：小心裡面的鋼珠。
Gently pop the LSC cap off using a flathead
screwdriver. Note: When removing cap, be
careful not to lose steel ball bearing and spring
located underneath.
2
夾起鋼珠及彈簧。
Carefully remove the the steel ball bearing and spring and set aside in a safe place.
3
取出 LSC 調整軸。
Remove the LSC adjustment knob.

9
4
使用 24MM 套筒旋開阻尼室螺母。
Unthread the damper side cap using a 24mm
socket and turning in a counterclockwise
direction.
5
取出阻尼棒後，
使用 5 號六角板手及萬用鉗拆開螺絲。
註：請小心夾持阻尼棒並包覆緩衝物以避免造
成損傷。
Remove damper cartridge.
Gently hold the damper cartridge and unthread
the bolt using a 5 mm hex and universal grip
pliers.
Note: Grip the damper cartridge carefully to
avoid damage.
6
分解阻尼棒、螺母螺絲。
Disassemble the damper cartridge, nut and
bolt.

10
避震前叉組裝 Suspension Fork Assembly
阻尼側組裝 Damper Side Assembly
1
使用 5mm 六角板手鎖緊螺母與阻尼棒，扭力
值 7.5Nm。
Tighten the damper cartridge, nut and bolt to
7.5Nm with 5mm hex.
2
使用 4mm 六角板手將阻尼棒順時針方向調至
lock 位置，扭力值 1200g-cm，當感覺到阻力時
即停止，請勿過度旋緊阻尼棒。
Turn the damper to locked position in a
clockwise direction using a 4mm hex
and a torque value of 1200g-cm. Stop
turning when you feel resistance. Be
careful not to over-tighten and
damage the damper cartridge.
3
將阻尼棒鎖至上叉腳，扭力值24Nm，Pin 應位
於 9 點鐘的位置。
Tighten the damper into the stanchion to 24Nm.
When tight, the silver pin should be on the left
side of the forward-facing fork, in the 9 o'clock
position.
7.5 Nm
24 Nm
1200g-cm

11
4
置入 LSC 調整軸，往下壓至正確位置。
Insert the LSC adjustment knob and adjust into
into the correct position.
5
在 Pin 的 180 度地方置入鋼珠及彈簧。
Carefully place the steel ball bearing and spring
into the 3 o'clock position, 180 degrees from
the silver pin.
6
阻尼側上蓋上油。
在 Pin 的逆時針方向 120 度的位置壓入阻尼側
上蓋。
Apply grease to the LSC cap and clip back into
place 120 degrees counterclockwise from the
silver pin.

12
氣壓室組裝 Air Spring Side Assembly
1
活塞及連桿抹上 Slick honey，如下圖，約 3ml。
Apply 3ml of Slick Honey lubricant on the piston and connecting rod, as shown below.
2
以旋轉的手勢裝入，請參考影片。
Insert and rotate the piston to set. Please reference the Crest service video for complete instructions on this step.
3
活塞連桿外露長度：
100mm 行程: 小於 100mm
120mm 行程: 小於 120mm
Necessary length of connecting rod
outside the chamber:
100mm travel: less than 100mm.
120mm travel: less than 120mm.

13
4
清潔螺絲螺牙並上油。
鎖緊氣壓室下方螺絲至扭力值 10Nm。
註：請確保鎖緊至標準扭力值。
Clean and apply grease to threads at the
bottom of the chamber.
Tighten the bottom nut to 10Nm.
Note: Make sure to tighten the bottom nut to
recommended torque value.
5
在氣壓室滴入 6c.c Mobil SHC 627。
Inject 6c.c. of Mobil SHC 627 into air
chamber. Other oils may be used; please check
with Giant ASQA to confirm compatibility.
6
清潔螺絲螺牙並上油。
鎖緊氣壓室螺絲至扭力值 24Nm。
註：請確鎖緊至標準扭力值。
Clean and grease air spring cap threads. Never use
alcohol to clean.
Tighten the air spring cap with token set into the
stanchion to 24Nm. Note: Make sure to tighten the
air spring cap and token set to recommended torque
value.
Grease
Grease
10Nm
24Nm
6c.c

14
上下叉組裝 Upper/Lower Leg Assembly
1
清潔下叉腳內管。
裝回油泡棉。
防塵套塗上 Slick honey 約 0.8ml。
上 DU 塗上 Slick honey 約 0.5ml。
Clean the inside of lower leg. Never use alcohol to clean.
Re-insert sponge.
Apply 0.8ml of Slick Honey on the wiper seal .
Apply 0.5ml. of Slick Honey on the upper DU.
2
下 DU 使用自製工具塗上 Slick honey 約 0.5ml。
Apply 0.5ml of Slick Honey on the lower DU with a pre-fabricated tool such as a rubber spatula or silicon knife.
3
上下叉結合。
Assemble upper and lower legs.
Sponge
DU
DU
Slick Honey
Slick Honey

15
4
打開 Low speed compression。
Open the Low Speed Compression knob.
5
壓縮上、下叉腳。
Compress upper and lower legs.
6
鎖緊阻尼側底部螺絲，扭力值 7.5Nm。
Tighten the damper bolt to 7.5Nm.
Note: Make sure the bolt is tightened to
recommended torque value.
7
拉長上下叉，氣壓側打氣至 100psi，推出連桿。
註：請確實鎖緊氣壓側螺母至標準扭力值。
Pull out the lower legs from the stanchions.
Pump the air chamber to 100 psi to push out the connecting rod.
Pump 100 psi

16
8
鎖緊氣壓側底部螺絲，扭力值 7.5Nm。
Tighten the air spring bolts to 7.5Nm.
Note: Make sure the bolt is tightened to
recommended torque value.
9
裝上回彈調整鈕
Re-insert the rebound adjustment knob.

17
更換阻尼棒 Damper Cartridge Replacement
1
將 LSC 調至 Open 的位置，取下螺絲並將螺絲旋入 2~3 圈，使用膠槌敲打，分離下連桿與
下叉腳
Open the LSC.
Remove bolt the damper side bolt. Loosen the bolt two or three turns and use a plastic mallet to
gently tap it out.
2
使用一字起子拆開阻尼側上蓋
Gently pop the LSC cap off using a flathead
screwdriver.
註：小心裡面的鋼珠
Note: When removing cap, be careful not to lose
steel ball bearing and spring located underneath.
3
夾起鋼珠及彈簧
Carefully remove the the steel ball bearing and spring and set aside in a safe place.

18
4
取出 LSC 調整軸
Remove the LSC adjustment knob.
5
使用 24MM 套筒旋開阻尼室螺母
Unthread the damper side nut using a 24mm
socket and turning in a counterclockwise
direction.
6
取出阻尼棒後，使用 5 號六角板手及萬用鉗
拆開螺絲，分離阻尼棒。
註：請小心夾持阻尼棒並包覆緩衝物以避免造
成損傷。
參考阻尼側組裝章節安裝阻尼。
Remove damper cartridge.
Gently hold the damper cartridge and unthread
the bolt using a 5 mm hex and universal grip
pliers.
Note: Grip the damper cartridge carefully to
avoid damage.
Refer to damper side assembly section to re-
assemble.

19
6
確認阻尼棒的功能。
如果阻尼棒沒有 Lockout 的功能，請以此方式排除：
氣壓室洩氣，Lockout 端跟 rebound 端需都維持在全開閥位置，全行程作動 3~5 次
Check damper function.
If there is no lockout function: Release air from the air spring chamber. Open the low speed
compression and open the rebound damper. Slowly compress cartridge to full travel and then
let cartridge restore to original position 3 to 5 times.

20
更換線控 Remote Control Replacement
1
使用 6 號六角板手拆下阻尼側底部螺絲。
Remove bottom damper bolt using a 6 mm hex.
2
線控於開啟的位置。
將阻尼底部螺絲旋入 2~3 圈，使用膠槌敲打，分離下連桿與下叉腳
Put the remote control in open position.
Loosen the bolt two or three turns and use a plastic mallet to gently tap it loose.
3
使用 3mm 六角扳手拆下線控螺絲。
Remove remote control retaining bolt using a 3
mm hex.